Motion Picture of Sputnik 1 Rocket from Baltimore on October 12, 1957

by Ted Molczan

Published June 30, 2013; revised June 25, 2014

Eight days after Russia launched Sputnik 1, U.S. civilian and military scientists and engineers teamed with a TV broadcaster to obtain a motion picture of its orbiting rocket body. It was shown on local and network television and in newsreels, but soon forgotten. This article presents an accurate video rendition of the archived film and tells the story behind it.

The video of Sputnik 1 rocket shows it crossing the pre-dawn sky of Baltimore, Maryland, on October 12, 1957, for about 2m40s. Despite considerable bright noise that dominates the lower half of the screen, the rocket is visible more than half the time, appearing as a star moving from left to right. The film records its transit through Ursa Major, Canes Venatici, Coma Berenices and Virgo. A small number of stars between magnitude 2 and 6 are visible. Sputnik 1 rocket's slow, end-over-end tumble is manifested as a regular variation in brightness between magnitude 2 and 5, over a period of about 49 s.


1. Summary
2. Circumstances Behind the Making of the Film
3. Broadcast and Distribution
4. Scientific and Technological Significance
5. Imaging System
6. Topics for Further Research
7. My Interest
8. Editing of the Present Video of Sputnik 1 Rocket
9. Other Reported Sputnik 1 Motion Pictures
10. Acknowledgements
11. References

1. Summary

The Baltimore kinescope provides a glimpse of Sputnik 1 rocket in orbital motion, and its story is an example of the scientific and engineering innovation sparked by the first satellite. The project was an early demonstration of electro-optical satellite tracking with a highly sensitive TV camera tube, long before the technology was practical. The film contains scientifically useful data on the rocket's orbital trajectory and its rotation about its own axis.

The story of the film survives mostly in fragmentary form in newspapers and scientific journals of the day. This report is based primarily on information found in publicly available web-based archives. Documents shared by the family of photographer John Kelly add greatly to our knowledge. Research into all aspects of the story continues, with the potentional for significant revision.

The film of Sputnik 1 rocket resulted from a collaborative effort under the auspices of the Geophysics Research Directorate (GRD) of the USAF Cambridge Research Center (AFCRC), in Bedford, Massachusetts, that included the Friez Instrument Division of the Bendix Aviation Corporation, in Baltimore; Westinghouse Broadcasting Company (WBC) stations WBZ-TV Boston and WJZ-TV Baltimore; the Smithsonian Astrophysical Observatory (SAO), in Cambridge, Massachusetts; and the Massachusetts Institute of Technology (MIT), in Cambridge. The scientists sought trajectory data; the broadcasters, to report a huge news story.

The project was conceived within the AFCRC-GRD's Photochemistry Laboratory, in Bedford, Mass., under the direction of Dr. Frederick F. Marmo1 (1920-2009), chief of the Chemical Physics Branch.2 Engineering at Baltimore most likely was directed by Mr. Ralph E. Sturm, director of Physical and Medical Research, Bendix-Friez, co-inventor of the Lumicon image-intensifier, and Mr. Benjamin Wolfe, WJZ-TV's chief engineer. The imaging team was advised where to aim the camera by the SAO, which had primary responsibility for the U.S. optical and visual satellite tracking program. MIT performed orbit computations using an electronic computer.3

WJZ-TV Staff Photographer Mr. John A. Kelly Jr. (1926-1977) awoke at 3 AM on three consecutive days and succeeded in filming Sputnik 1 rocket on the third morning,4 October 12, 1957, at 6:17 AM EDT (10:17 UTC). The video imagery displayed on the Lumicon's kinescope monitor was recorded using a pair of motion picture cameras onto 16 mm film at about 8 fps.

John Kelly flew the film to Boston, where it was developed and verified by scientists to show "Sputnik".5 WBZ-TV used it on an exclusive basis in a special Sputnik broadcast, produced by Mr. Chester F. Collier, director of public affairs.6 Dr. Jonathan Karas (1922–1999), professor of physics at the University of New Hampshire and WBC Science Editor, assisted in developing the show and served as host.5 His guests were Dr. Fred L. Whipple, Director of the SAO, and Dr. J. Allen Hynek, Associate Director, in charge of the SAO's Optical Satellite Tracking Program.3 The scientists explained how the film of Sputnik 1 rocket was made and how its orbit was determined using MIT's computer.7 Shots of the computer and Moonwatchers with their equipment were shown.8

WBZ-TV first aired the half hour program on October 12 at 5 PM EDT, and repeated it at 6:30 PM.6 Its feed was carried by WBC stations WJZ-TV Baltimore, KYW-TV Cleveland and KDKA-TV Pittsburgh. A copy was flown to WBC's KPIX San Francisco and broadcast the next day. Later on October 12, WBC made the film available to all of the networks and to national TV and newsreel services.5

The U.S. National Archives and Records Administration (NARA) holds a copy of the Baltimore kinescope in a USAF archive. The National Archives Identifier (aka ARC Identifier) is 67312. The Local Identifier is 342-USAF-26252. Westinghouse Broadcasting System (sic) is identified as producer for AFCRC.

Dr. Karas reminisced about the Sputnik 1 special on WBZ-TV's 30th anniversary broadcast in June 1978, which includes clips of him with Drs. Whipple and Hynek, and scenes from the Baltimore kinescope. The following video is from the 35th anniversary broadcast in 1983, which included Dr. Karas' comments from 1978.

It should be noted that the large camera shown in the clip is a Baker-Nunn, which was not involved in imaging Sputnik 1 rocket from Baltimore. Also, Dr. Karas was mistaken in his recollection that this was the first still or motion picture of Sputnik 1. It was of course of its rocket, of which, several confirmed still photos had already been taken.

Note About Terminology: in common usage, the term "Sputnik 1" or simply "Sputnik" may refer to the first Earth satellite or the final stage of its rocket. Some writers may not be aware that anything other than Sputnik 1 entered orbit, or that most visual sightings and observations were of the huge rocket, not the tiny payload. Others may lack the space or find it awkward to include the text to differentiate between the two. Sputnik 1's rocket is commonly also known as its rocket body, carrier rocket, final stage, second stage, third stage, upper stage or core stage. This article mostly refers to the payload as "Sputnik 1" and its rocket body as "Sputnik 1 rocket", except when quoting sources, many of which mistake the rocket for the payload or use some of the alternative terminology.

The following sections provide more detailed information on the making of the Baltimore kinescope of Sputnik 1 rocket and closely related topics.

2. Circumstances Behind the Making of the Film

The Soviet Union had announced its intention to launch a satellite, but the timing was a complete surprise. Western experts immediately set about locating and tracking Sputnik 1 as quickly as possible. Systems intended primarily to track the first U.S. satellites were in an advanced state of development, but most were either not ready at the time of Sputnik or required reconfiguration to be useful for tracking the Soviet satellite. The situation called for innovation and improvisation. Radios were quickly modified to receive the satellite's lower frequencies; antennas and telescopes were re-oriented for its higher inclination orbit.

Professional and amateur observers around the world joined the search for Sputnik, seeking not only to hear and see the satellite, but to obtain scientifically useful data about it and its orbit. An ad hoc team of scientists and technical experts from academia, the military and a commercial broadcaster, conceived a plan to make a motion picture of Sputnik using a sensitive video camera, and succeeded in filming the final stage of its rocket within little more than a week of the launch.

2.1 The Scientists

Within hours of the launch of Sputnik 1, on Friday, October 4, 1957, the SAO responded with an intensive effort to image and track it, assisted by an international network of professional astronomers, military missile trackers, and amateur Operation Moonwatch teams.

Despite scant knowledge of the orbit, several U.S. Moonwatch teams were fielded overnight, but saw nothing. By early Saturday, the SAO had a better understanding of the orientation of Sputnik's orbit with respect to the Sun, and knew that it would not be visible from the U.S. mainland for at least several days. By Monday, October 7, the SAO had begun to telex information and requests for observations to prospective observers in parts of the world that already had good visibility of the orbit, and planning was underway to begin observation and imaging from the U.S. mainland at the earliest opportunity, expected to open by mid-week.10 Among the U.S. Military organizations that lent their support, was the AFCRC-GRD, which soon established an R&D space surveillance program, briefly called Project Harvest Moon, finally named Project Space Track, from which the DoD's operational program later evolved. The SAO described its arrangements with AFCRC-GRD in SAO Special Report No.1, first published on October 14:

Since twilight visibility analysis indicated that the first likelihood of optical sightings in the United States would occur along and off the U.S. East Coast, arrangements with the Geophysics Research Directorate, AFCRC, were initiated by Dr. John S. Rinehart, Assistant Director, SAO, with Dr. G. R. Miczaika, GRD, to utilize special aerial cameras for this purpose. Subsequently, several good photographs were obtained of the last rocket stage and analyzed and measured by Dr. G. Van Biesbroeck, Consultant, SAO.10

Those arrangements are consistent with two known AFCRC-GRD imaging projects, both of which involved different Westinghouse Broadcasting stations in Boston. Of primary interest here, is the one that employed the Lumicon at Baltimore, which involved WBZ-TV. The other one involved radio station WBZ-AM, which transmitted a Morse code signal to aid manual triggering of GRD-operated triangulation cameras located in the Bedford area (Section 6.2).

The idea to photograph Sputnik 1 using the Bendix-Friez Lumicon image-intensifier originated in AFCRC-GRD's Photochemistry Laboratory, at Bedford, Mass., where Dr. Frederick F. Marmo was chief of the Chemical Physics Branch.1 The photochemists had been preparing to use a Lumicon to image clouds of sodium and other elements, formed by rockets launched pre-dawn into the atmosphere at Holloman Air Force Base, New Mexico.2 They recognized the potential to image Sputnik 1 using a Lumicon located at the plant of manufacturer Bendix-Friez near Baltimore. It was most likely Dr. Marmo who telephoned WBZ-TV's Dr. Jonathan Karas, no later than Tuesday, October 8, to invite Westinghouse Broadcasting Company to participate in the project. Here is Dr. Karas' 1978 reminiscence:

... I got a telephone call from someone in a lab, who said, "how would you like to get a picture of Sputnik in orbit?" I said, "ha, that's a very funny joke and how's everything?" He said, "no seriously, down in Baltimore, in an old barn, we have a special camera which is used to track sodium vapour in the upper atmosphere." Sodium vapour lights up there - it gives a yellow radiation - so this camera is very sensitive to very dim light. He says, "you know, Sputnik goes by, it reflects light. If we knew where to look and we happened to be calibrating the camera at 5 o'clock in the morning by accident, gee maybe we might get a picture." I said, "beautiful!" There's also a Westinghouse station in Baltimore, so we sent a photographer out. And now we had to find out where's Sputnik? So we go over to the Smithsonian Astrophysical Observatory ... they had tracked Sputnik. So they called Baltimore, told them where to accidentally point the camera ...11

The exact reason for seeking the participation of a TV broadcaster is unknown, but may have resulted from the need to quickly improvise a tracking system. The Lumicon included a video camera and kinescope monitor, but outside assistance may have been required to film the monitor. TV broadcasters had the expertise and the equipment to make kinescope film recordings.

Dr. Jonathan Karas probably was a significant factor in WBZ-TV receiving the invitation. He was WBC's Science Editor, and for a couple of years had produced and hosted WBZ-TV's weekly science show, 2000 A.D. The IBM-sponsored program combined "scientific education, dramatic action and showmanship ... designed to help find young men and women interested in science careers."12 That the space age would soon begin was no secret, and Dr. Karas kept abreast of developments. His 1956 amicus curiae brief, Scientific Accident Evaluation, opened with a brief discussion of the plan to launch the first artificial satellite during the upcoming International Geophysical Year, and the applicable physics principles. During a February 1957 live broadcast of 2000 A.D., the firing of an instrument rocket motor was demonstrated outside the studios. His professional credentials, local visibility, and demonstrated interest in spaceflight, made Dr. Karas an obvious choice to help organize the attempt to make a motion picture of the first satellite and inform the public of the results.

2.2 The Imagers

WBZ-TV was too far from Baltimore to have directly participated in the imaging, but owner Westinghouse Broadcasting Co. had just recently acquired WJZ-TV in Baltimore, formerly called WAAM. WBZ-TV Program Manager, Mr. Herbert B. Cahan (1914-1989), held that position for 7 years at WAAM before joining WBZ-TV in 1956 - a coincidence that could have facilitated close collaboration between the now sister stations.

Mr. Chester F. Collier, WBZ-TV Public Affairs Director, produced the Sputnik special. Dr. Jonathan Karas assisted in developing the show and served as host. Mr. Cahan consulted on the feasibility of a live broadcast with Mr. Benjamin Wolfe, Chief Engineer at WJZ-TV Baltimore, but ultimately decided to record to film for later broadcast, due to the unfavourable hour of Sputnik's passes, which occurred just before dawn. Working closely with Ben Wolfe at WJZ-TV were Mr. Joel Chaseman, Program Manager, Mr. Keith McBee, News Editor, and Mr. John A. Kelly Jr., Staff Photographer.5

In an article on the successful project, Westinghouse News hailed "the untiring efforts" of John Kelly in bringing about "one of TV's biggest news scoops". He was born on November 6, 1926, and died on January 4, 1977. He worked at WJZ for over 25 years. John Kelly lived at 1710 Hartsdale Rd. in Baltimore City, MD when he filmed Sputnik 1 rocket. Westinghouse News reported highlights of his career to that time:

For John Kelly, the news scoop was the high spot in a photographic career that started in 1942 at Glenn L. Martin.

Except for a two-year stint as radio operator in the Navy from 1944 to 1946, John has been shooting news photos for 14 years. He also taught at the Baltimore Institute of Photography and for a brief spell was a free-lance photographer.

In 1950, he came to WJZ-TV (then WAAM) as Staff Photographer to take charge of the Station's photo lab.

In addition to his TV work and United Press assignments, John is photographer for the Baltimore Colts. A number of his photos have taken top honors at national photo salons.5

Another key participant was Mr. Ralph E. Sturm, director of Physical and Medical Research, Bendix-Friez, co-inventor of the Lumicon image-intensifier. Upon his passing in 1994, a memorial recalled that by using the device, "Ralph obtained the initial moving pictures, under U.S. Air Force auspices, of the Soviet’s first spacecraft, Sputnik."13 Benjamin Wolfe was inspired by the Lumicon to experiment on extending the life of image orthicon tubes. In the opening remarks of his 1960 paper on the results, he recalled the Sputnik imaging project, the Lumicon and Ralph Sturm:

During October, 1957 our station was interested in observing Russia's Sputnik No. 1. It was desired to make this pick-up so that a film could be made off of our kinescope and this film integrated in a program originating at WBZ in Boston. A very low noise image orth had to be used and the inventor of the "Lumicon", was contacted. Mr. R. Sturm, the inventor, agreed to use the "Lumicon" for this pick-up. The "Lumicon" is similar to the 5820 image orthicon and it was observed that it was transported in dry ice. ... While all of us use image orths the thought occurred to rest an image orth at zero degrees F to restrict molecular movement by some degree and see if we could not obtain a signal to noise ratio similar to the "Lumicon".14

John Kelly, Ralph Sturm and Ben Wolfe most likely worked together closely and in cooperation with AFCRC-GRD's photochemists at Bedford, Mass. to work out the technical details of the video capture and filming. A test film was shot from the Lumicon's special monitor to verify that "Sputnik" could be photographed.5 Over the course of the project, John Kelly used four 100 ft. rolls of TRI-X film,15 of which 31 ft. captured Sputnik 1 rocket. The remaining 300 to 400 ft. probably was consumed in testing and calibrating the equipment and on the initial unsuccessful attempts to spot the satellite, which began on the morning of Thursday, October 10. John Kelly's expense report hints at the intensity of the effort: 271 miles of local auto travel and 56 hours of work (16 hours "straight", 40 hours overtime).15

2.3 Where's Sputnik?

The Baltimore team received information on when and where to aim their camera from the SAO, which had primary responsibility for the U.S. optical and visual satellite tracking program. Its global effort to find and track Sputnik began to yield useful data within days of the launch, but the first reasonably accurate orbits resulted from Doppler and interferometric observations of Sputnik 1's radio transmissions. In the U.S., radio observations were made by the Naval Research Laboratory's Minitrack network; in the U.K., by the Royal Aircraft Establishment Radio Department, at Lasham airfield, near Farnborough, and the Mullard Radio Astronomy Observatory at Cambridge. Mullard had determined an approximate orbit by October 9. Radio observers also made the earliest confirmed visual sighting published by the the SAO.

Three young scientists at the Geophysical Institute of the University of Alaska, in Fairbanks: Robert S. Leonard, Joseph Pope and Dr. Giancarlo Rumi, had been monitoring Sputnik's radio signal each night since its launch. Leonard predicted the time and track of a visible pass on October 6, and just before 5 AM AST (15:00 UTC), the three scientists spotted a slowly moving object brighter than Jupiter, that they tracked for 5 minutes. They were certain they had seen Sputnik, because they heard its signal at the same time, but it seemed far too bright to have been the tiny sphere (0.58 m diameter). Late on October 6, Harvard College Observatory astronomer Dr. Richard E. McCrosky solved the mystery: the bright object was Sputnik 1's huge rocket body (28 m long and 2.95 m in diameter at its widest).16 Both objects initially passed at about the same time, but eventually separated due to their different rates of decay. The much brighter rocket accounted for nearly all of the confirmed sightings from the Sputnik 1 launch.

At the SAO, Mr. Jack W. Slowey, Dr. Don A. Lautman, and Dr. McCrosky waited for a sufficient number of accurate visual observations to begin orbit computations on MIT's IBM 704 computer, located at the Computation Center in the Karl Taylor Compton Laboratories. They worked closely with several IBM staff, including Dr. Gianpiero Rossoni (aka Dr. John P. Rossoni) and programmer Thomas Apple. Mr. Apple recalled the intensive coding effort that within a few days produced an ephemeris generator from formulas provided by the astronomers. MIT Tech described the effort to compute the orbit from observations, in front page articles dated October 8 and 11. Initial attempts were aborted; the suspected cause: some unreliable observations.

On October 11, the SAO reported via Harvard Announcement Card 1374, visual and photographic observations of Sputnik 1 or its rocket from a handful of locations in Alaska, Australia and Canada, spanning Oct 6-9 UTC. Also on October 11, the SAO announced that at 7 AM EDT (11:00 UTC) MIT's computer had produced its first orbit of the rocket. The Christian Science Monitor reported that the computer performed 21 seconds of calculations, and that Fred Whipple and John Rossoni, "had stayed up all night with the machine preparing their final calculations".17 In Baltimore, the imaging team was packing up its equipment after its second unsuccessful attempt to obtain a motion picture.

2.4 Success on the Third Morning

The Baltimore team attempted motion picture imaging on three consecutive mornings.4 The dozen or so un-named early-risers who reportedly participated with John Kelly5, almost certainly included Ralph Sturm and probably Ben Wolfe, leading the respective work by Bendix-Friez and WJZ-TV. The precise work assignments are unknown. It seems likely that Ralph Sturm operated the Lumicon's controls (his may be the hand occasionally visible on the film, below and to the left of the monitor). John Kelly probably was in charge of the pair of Bell and Howell cameras used to film the monitor. The identity of the person who pointed the Lumicon's camera to track the satellite is unknown.

Present day knowledge of the orbit of Sputnik 1 rocket provides insights into the circumstances of the tracking attempts. The pass of Thursday, October 10 culminated at 6:21 AM EDT (10:21 UTC), 8.6 degrees above Baltimore's northeastern horizon, at a high phase angle. It was just 23 minutes before the start of civil twilight, and the sky near the satellite's track was already brightening. Experienced satellite observers today consider the combination of low elevation, high phase angle, and a bright sky very challenging, with a low probability of detecting the target. The pass of Friday, October 11 was somewhat better, but still difficult. Culmination was at 6:20 AM EDT (10:20 UTC), 12.5 degrees above the northeastern horizon, with a still high phase angle, but in a bit darker sky, 26 minutes before civil twilight.

The first decent pass was on Saturday, October 12. Whether the imaging team had received look-angles from the orbit derived by MIT less than 24 hours earlier is unknown, but seems reasonably likely. The details of that orbit are not known, but it was probably fairly rough, producing predictions accurate within several minutes in time and a degree or two in track. Sputnik 1 rocket culminated at 6:18 AM EDT (10:18 UTC), 17.3 degrees above the northeast horizon. It was intercepted on camera about half a minute before culmination, at a reasonable phase angle, nearly 29 minutes prior to civil twilight. The camera was quickly and smoothly re-aimed four times to keep the rocket in the field of view for 2m40s, resulting in five scenes showing it moving from left to right relative the fixed stars. The film records its transit through Ursa Major, Canes Venatici, Coma Berenices and Virgo. A small number of stars between magnitude 2 and 6 are visible. The rocket's brightness varied regularly between magnitude 2 and 5, over a period of about 49 s, evidence that the huge cylinder tumbled end-over-end, with a period of rotation of about 98 s.

By the morning of the filming, Sputnik 1 rocket was under frequent visual and optical surveillance by professionals and amateurs around the globe. Forty minutes before Baltimore's pre-dawn pass, it crossed Australia in evening twilight, where the Weapons Research Establishment (WRE) made numerous observations using fixed ballistic cameras at its headquarters in Salisbury - a northern suburb of Adelaide (SAO site 3602), and a kinetheodolite on the Woomera missile range (SAO site 3601). Fifty-two minutes after it was filmed from Baltimore, the rocket was back over Australia, observed by Perth Moonwatch (SAO site 601) using a surveyor's theodolite. As the sun rose over Baltimore, the imaging team was confident that they had seen and filmed "Sputnik", but confirmation was still hours away.

3. Broadcast and Distribution

John Kelly quickly flew the Baltimore kinescope film to Boston, where it was developed and verified by scientists to show "Sputnik", and incorporated by WBZ-TV into its special program, broadcast less than 11 hours after it was filmed.5 Whether the complete kinescope of the broadcast has survived is unknown, but fragments are seen in newsreel footage and the aforementioned reminiscence by Dr. Karas. Information on its content is found in press coverage of the event. The Daily Boston Globe reported that Westinghouse credited the photochemists with recognizing the potential of the Lumicon to image Sputnik 1, and for having, "worked entirely on their own, without pay to bring about the filming of the satellite". The coordination between the scientists at AFCRC-GRD and the team at Baltimore was described as "the closest possible".3 The Christian Science Monitor reported that the motion picture had been "taken with the cooperation of the Air Force Cambridge Research Center and the Smithsonian Astrophysical Observatory at Cambridge, Mass."18 Reporting on Dr. Karas' comments on a limitation of the recording system - it lacked a method to record the time - the Daily Boston Globe concluded, "even if the films have no real scientific use, they provided for thousands of New Englanders their first view of Sputnik."3

WBZ-TV first aired the half hour program on October 12 at 5 PM EDT, and repeated it at 6:30 PM.6 Its feed was carried by WBC stations WJZ-TV Baltimore, KYW-TV Cleveland and KDKA-TV Pittsburgh. A copy was flown to WBC's KPIX San Francisco and broadcast the next day. Later on October 12, WBC made the film available to all of the networks and to national TV and newsreel services,5 distributed via United Press Movietone.6 That same night, NBC aired an abbreviated form of the program; CBS followed suit the next day.5 WBZ-TV rebroadcast the kinescope of the program on October 19, at 1:30 PM; its title in the Daily Boston Globe TV listings was "Soviet Satellite". Life Magazine published four frames in its October 21 issue. (The caption incorrectly identified the brightest star in the scene; it is Eta Ursae Majoris (aka Alkaid). The fainter star above it is 24 Canum Venaticorum.) Westinghouse loaned copies of the 29 min. kinescope of the program to schools, service clubs, church groups and other organizations through some of its manufacturing plants.8, 9

The U.S. National Archives and Records Administration (NARA) holds a copy of the Baltimore kinescope in a USAF archive. The National Archives Identifier (aka ARC Identifier) is 67312. The Local Identifier is 342-USAF-26252. Westinghouse Broadcasting System (sic) is identified as producer for AFCRC.

4. Scientific and Technological Significance

The Baltimore kinescope provides a glimpse of Sputnik 1 rocket in orbital motion, and its story is an example of the scientific and engineering innovation sparked by the first satellite. The film contains scientifically useful data on the rocket's orbital trajectory and its rotation about its own axis. The project was an early demonstration of electro-optical satellite tracking with a highly sensitive TV camera tube, long before the technology was practical.

The scientific value of the trajectory recorded on the Baltimore kinescope is limited by its lack of timing data, which no doubt explains why the SAO did not include any data from it in its published tables of Sputnik observations. As discussed in Sections 6.1 and 7, even without accurate timing data, still or motion picture imagery of a trajectory relative background stars, shot from a precisely known location, provides a useful check of orbital elements determined from complete observations. In this way, the Baltimore kinescope is helping to improve modern knowledge of the orbit of Sputnik 1 rocket.

Visual observers noted that the rocket body varied regularly in brightness - caused by its rotation about its transverse axis, commonly described as a tumble. Visual measurements of the period of variation appear to have been rare (the author has yet to find a well documented example). The variation is evident on still photos as a gradual change in the density of the recorded streak, but the period was too long to have been fully recorded during typical exposures. The Baltimore kinescope recorded three consecutive maxima - a possibly unique record of Sputnik 1 rocket's rotational dynamics at that time. The period of variation was about 49 s. Given rotational symmetry of order 2, the period of rotation was about 98 s (disregarding synodic effect).

In early 1959, the USAF ordered five Baker-Nunn cameras for tracking satellites too distant for radar. This film-based camera excelled at detecting and tracking faint satellites, but the USAF looked forward to an electro-optical system for real-time automated operation. Perhaps as a result of its successful imaging of Sputnik 1 rocket, the AFCRC-GRD sponsored formal tests of the Bendix-Friez Lumicon image-intensifier with large astronomical telescopes, conducted during 1958-59. Although the results were found promising for satellite acquisition,23 practical application of highly sensitive TV camera tubes was decades away. Two 1960s USAF projects: Facet Eye and AN/FSR-2, did not yield operational systems. In the mid-1970s, MIT Lincoln Laboratory successfully demonstrated a system based on a Westinghouse Ebsicon tube with external image intensifier, that became the prototype of the GEODSS camera,42 phased into service at three sites during 1982-87. The USAF shut down its last Baker-Nunn camera in 1992.

5. Imaging System

5.1 General Description

The imaging system was specially designed for use in AFCRC-GRD's upper atmosphere artificial ionization experiments, and differed considerably from standard broadcasting equipment. When Sputnik 1 was launched, it was being calibrated at the Bendix-Friez plant located in the Baltimore suburb of Towson. The exact equipment and set-up used to image Sputnik 1 rocket is unknown, but probably was similar to that used to image cesium and sodium clouds launched by Nike Cajun rockets at Holloman AFB, New Mexico, in May 1958:
A Bendix light amplifying system called a Lumicon was employed. This is an electronic instrument comprising a highly developed closed circuit television system which intensifies light. The detector includes an optical imaging system, image orthicon camera tube and an amplifier. The monitor incorporated several amplifiers with a power supply and a 10 in. kinescope tube on which the intensified image is produced. The imaging system employed an 85 mm, f/1.4 lens. A timer was mounted adjacent to the kinescope tube face, to record the time of the event on each exposure. A 16 mm movie camera, set at 8 frames/sec, f/2.0 focused at 41 in. and employing Tri-X film, was used to photograph the kinescope tube.19

Two 16 mm Bell and Howell standard movie cameras were used to image Sputnik 1 rocket,5 mounted side-by-side, as evidenced by the position of the monitor on the film frame, which sometimes appears on the left side, and at other times on the right. In the present video, the transition from one camera to the other occurs at the splices after 10:18:03 UTC and 10:19:39 UTC. This setup provided for continuity at the ends of film reels, by starting the second camera just before the first one ran out of film.

Four 100 ft. rolls of TRI-X film were used during the project,15 sufficient to record more than half an hour at 8 fps. Sputnik 1 rocket was captured on 31 ft., for a duration of 2m40s. The remaining 300 to 400 ft. probably was consumed in testing and calibrating the equipment and on the initial unsuccessful attempts to spot the satellite.

WBZ-TV projected the Baltimore kinescope at 24 fps, perhaps unable to slow its projector to 8 fps. This resulted in Sputnik 1 rocket appearing to move 3 times too fast. The present video is the first known production with the correct frame rate.

The timer was not used in the Sputnik 1 rocket imaging; a pity, since it would have enabled complete trajectory data to be reduced.

Frequent manual gain-riding is evident watching the video - an apparent effort to find a setting that enabled the satellite to be seen, free of the bright noise that dominated much of the lower half of the monitor. It is unclear whether the noise was purely electronic, or due to stray light - perhaps from the pre-dawn horizon - that may have overwhelmed the sensor.

5.2 Bendix-Friez Lumicon Image-Intensifier

The Bendix-Friez Lumicon Image-Intensifier originated at The Johns Hopkins Hospital, Baltimore, where in late 1946, Dr. Russell H. Morgan became the chairman of the radiology department that today bears his name. The following year, he initiated research and development of technology to increase the brightness of imagery on x-ray fluoroscopy screens. The existing imagery was so dark, that "the radiologist needed to dark-adapt his eyes for a half hour or more to see the dim x-ray images." With support from the National Cancer Institute, he hired physicist Ralph E. Sturm to begin work on the project.20

By 1950, Morgan and Sturm reported a screen intensifier that produced a 300 to 3000 times gain over fluoroscopic screen image brightness, depending on the anatomical target. Their intensifier was of the closed-circuit television (CCTV) type, which used a folded Schmidt optical system consisting of three plane mirrors, a corrector plate, and a spherical mirror to focus the faint image on the fluoroscope onto the sensitive surface of an image orthicon TV camera tube. The intensified image was displayed on a kinescope monitor. They reported additional progress in subsequent years, but in January 1954, acknowledged that their invention required further development: "It has seemed to us for some time that if screen intensifiers are to become clinically worthwhile, they should be made essentially automatic so that the radiologist is not required to give any appreciable amount of time to their operation."20

By June 1954, Morgan and Sturm had assigned the patent for their invention to The Bendix Corporation, and Mr. Sturm had joined its Friez Instrument Division, in the Baltimore suburb of Towson, as Director of Physical and Medical Research. By January 1956, Bendix-Friez began to market a product of the invention, called the Lumicon. Life Magazine's photos of the control unit, monitor and camera are available here and here. It displayed 1029 interlaced lines at 30 fps and was commonly used with the G.E. Z-5294 image orthicon tube. Bendix-Friez promoted it for radiology and other potential applications, including astronomy.

Evaluation of the invention for astronomical applications had been initiated prior to the involvement of Bendix-Friez. Under a contract with the Office of Naval Research, the Laboratory of Astrophysics and Physical Meteorology of Johns Hopkins University arranged for observations of Mars at the Lowell Observatory. During the opposition of July 1954, several photographs were obtained "showing good detail of Martian surface features". The researchers found that "the advantage of the short exposure time in overcoming the seeing was evident", and the technique showed "considerable promise in planetary photography."21 The evaluation continued for several years under Bendix-Friez, at Lowell and several other observatories, but the results generally were found to be inferior to photography.22

By the time of Sputnik in 1957, the Lumicon had attracted the interest of scientists at AFCRC-GRD's Photochemistry Laboratory, at Bedford, Mass., who were preparing to use it to image clouds of sodium and other elements, formed by rockets launched pre-dawn into the atmosphere at Holloman Air Force Base, New Mexico.2 They recognized that the Lumicon then undergoing calibration at Bendix-Friez near Baltimore, had the potential to image Sputnik, the successful result of which is the subject of this article. The Space Flight Physics Laboratory of AFCRC-GRD sponsored tests of the Lumicon for astronomical and satellite observations, carried out under principal investigator Dr. Gerard P. Kuiper, during December 1958 to July 1959 at the Yerkes and McDonald Observatories. The resulting paper - part of the Project Space Track series - concluded, "(1) the Lumicon is very fast in recording faint detail, provided this is stationary; (2) on moving objects and particularly on shifting planetary images its usefulness is limited and does not yet quite compete with photography." In the preface, AFCRC-GRD's Dr. Gerhard R. Miczaika found the results of the tests "very promising concerning satellite acquisition."23

Use of the Lumicon product name did not continue much past the late 1950's, but variations of its CCTV method of image intensification continued to be developed by Bendix and others. By spring 1960, development of the invention for radiology reverted to Dr. Russell Morgan at Johns Hopkins, as the Screen Intensifier,24 where it was in clinical use as late as 1962.25 Ralph Sturm joined the Mayo Clinic in 1962, where he continued to specialize in medical diagnostic technology R&D until he retired. A fall 1960 Bendix-Friez paper described evolved versions of the Lumicon technology, used for AFCRC-GRD's high-altitude chemical releases in 1959, and to record missile trails on the Atlantic Missile Range in 1960.26 By this time, the Lumicon product name had been retired.

By 1961, Bendix-Friez introduced what appears to have been a more advanced generation of the Lumicon's CCTV technology, for shipboard use by the U.S. Navy, which bore the military designation AN/SXQ-3.27 It consisted of a camera unit on an alt-azimuth mount and a control cabinet. The 8 inch monitor built into the control cabinet could be operated simultaneously with a separate 14 inch monitor.28 The video output consisted of 875 interlaced lines at 30 fps.27 The U.S. Naval Research Laboratory (NRL) employed a modified AN/SXQ-3 for experiments in satellite tracking and astronomy. The image orthicon had an S-10 photocathode, which tends to identify it as the G.E. Z-5294 used earlier with the Lumicon. Imagery was recorded on film at 24 fps. In December 1962, the AN/SXQ-3 recorded 1.2 ms flashes from the optical beacon of the Anna 1-B satellite (1962-060A), yielding modest positional accuracy:

For a satellite program such as that of ANNA 1-B, where extreme precision in reduction of directions is being sought, the present system should not be considered as a substitute for the cameras formally used in the program. It can, nevertheless, yield positional accuracies of ± 10 min of arc and timing accuracies of ± 0.04 sec.28

The NRL used the AN/SXQ-3 to image auroral phenomena in 1963,29 and meteors in 1965.30 By 1965, for auroral photography and spectroscopy, it had been outfitted with a G.E. GL-7967 image orthicon, that was an order of magnitude more sensitive than conventional tubes.31 The NRL loaned the instrument to the SAO for use in imaging meteors in conjunction with radars in 1969 and 1970.27

6. Topics for Further Research

Many questions remain about all aspects of the project. A couple are discussed below.

6.1 The Imaging Site

The Baltimore kinescope can help improve our present understanding of the orbit of Sputnik 1 rocket through the trajectory data that can be extracted from it, despite the lack of timing data, but only if the location from which it was shot is known with reasonable accuracy. No precise record has been found, but available evidence points to the Bendix-Friez headquarters, then at 1400 Taylor Avenue in the Baltimore suburb of Towson, MD (39.38389 N, 76.56889 W, 119 m AMSL).

The Daily Boston Globe reported that the film had been made using "a special camera" plus light-amplifying electronics fitting the description of the Lumicon, "stationed at a Westinghouse installation in Baltimore"; later in the same article it referred to the "Baltimore installation, where the light-sensitive device was being developed for other purposes."3 Except for the initial reference to "Westinghouse", this is a description of the Bendix-Friez headquarters, which most likely became garbled as "Westinghouse". The Christian Science Monitor reported it was shot "near Baltimore",18 which is consistent with its Towson suburb. An unidentified Baltimore area newspaper reported, "exactly where the film was taken was still an Air Force super-secret, except that the pictures were blipped at a military installation in the metropolitan area on a Bendix monitor,"32 which would not have excluded Towson.

The Bendix-Friez headquarters in Towson happens to fit very well with the trajectory relative the stars on the kinescope film and the known orbit of Sputnik 1 rocket. The known orbit and the trajectory on the film can be used to help confirm the location of the film shoot, but it would be preferable to obtain the precise location independently, so that it and the trajectory on the film could help confirm the accuracy of the orbit.

6.2 Collaboration Between AFCRC and WBZ-AM

The Townsman, Wellesley, Mass., reported that AFCRC-GRD requested the assistance of WBZ-TV's radio sister, WBZ-AM, to measure Sputnik or its rocket's altitude using triangulation photography as it passed over the vicinity of Bedford, Mass. Cameras were set up on October 15 at three locations spaced apart 85 to 100 miles. When the satellite was spotted, the station made a voice announcement to alert the photographers. A scientist then used a telegraph key to broadcast the international Morse code for "V" - three dots and a dash. Upon hearing the dash, the photographers were to open their camera's shutter for the first exposure. The process was to be repeated to produce a series of synchronized photos from the three locations. The WBZ-AM broadcast was coordinated by Program Manager, Gerald A. Spinn, by his assistant, John M. Grubbs, and by News Director, Charles Gray.33 Broadcasting published a brief summary of the event.34 The rocket reportedly was also photographed on October 14 with a camera at AFCRC's Bedford headquarters.35

SAO Special Report 10 lists observations from Hanscom AFB (SAO Site 3002) and several other nearby locations, on each day from October 14 to 17, at least some of which probably resulted from this project. It is unclear whether any useful triangulations resulted, but a few reasonably accurate positions were obtained. Surviving images could be useful in the present orbital history study, described in the following section. Also of interest are the circumstances behind this collaboration. WBZ-TV's Dr. Karas seems to have been the point of contact for the Lumicon collaboration. What role, if any, did he have in setting up the WBZ-AM collaboration?

Leads to additional information on the above topics and all matters relevant to how and why the Baltimore motion picture was made would be appreciated.

7. My Interest

I learned of the Baltimore kinescope and WBZ-TV's broadcast several years ago, while researching the observational and orbital history of Sputnik 1's rocket. The primary purpose is to compute the history of its eight weeks in orbit using a modern orbital model. After it decayed from orbit, scientists determined its orbital elements with sufficient precision to support their analyses of upper-atmosphere density, but apparently did not publish anything like a complete orbital history. The best I am aware of is the set of polynomials in Harvard Announcement Card 1389. Even if more complete elements had been published, they would be incompatible with present day standard orbital models. Representing the orbit by sets of "2-line" orbital elements, which adhere to the widely used USAF standard model SGP4, will make its orbital history accessible to anyone using compatible software, which is widely available.

The initial work has been to compile as complete an observational record as possible. Much data was published by the SAO at the time of Sputnik 1, but with numerous errors and inconsistencies, e.g. typos, zenith angle reported as elevation, conflicting definitions of azimuth, confusion between local time and UTC, etc. (It represented the bottom of what fortunately proved to be a steep learning curve, that brought rapid improvement with each new launch.) Intensive research and analysis has enabled most of the reporting errors to be corrected and the data restored to its original accuracy. Currently, I have more than 1200 full and partial observations, of which about 200 are sufficiently precise to yield orbital elements of the accuracy I seek to produce. That is not much data to cover 8 weeks of a rapidly decaying orbit. There are some lengthy gaps in coverage, and long periods are only sparsely covered. That is where still and motion imagery can help.

Professional and amateur photos of Sputnik 1 rocket against an identifiable star background, taken from a known location, are a valuable additional source of trajectory data. Though they seldom include the precise timing data to constitute a full observation, the track relative the stars can confirm orbits derived from full observations, thereby helping to constrain solutions. My initial interest in the Baltimore film was for its potential to yield trajectory data. Frames showing the satellite and at least two stars could be reduced into positional data. But only if I could find the film.

Periodic web searches turned up a few references in old newspaper stories but no film. Finally, a July 2011 search turned up a video copy available for licensing from archival footage provider CriticalPast, made from the aforementioned NARA film. I quickly downloaded the more than one hundred sample frames and studied them carefully. Despite considerable noise, a small number of bright stars and a moving object that appeared to be a satellite were visible. I had previously determined a fairly accurate preliminary orbit of Sputnik 1 rocket spanning the date of the film, which enabled me to identify all of the stars and confirm that the moving object was indeed Sputnik 1 rocket. A preliminary analysis revealed that at least a dozen accurate trajectory positions could be reduced. I quickly licensed the video of the complete film from CriticalPast.

Analysis revealed at least 25 accurate trajectory positions, but I found the film even more interesting as a record of the early days of both the space age and the art and science of satellite observation. I was surprised to learn through my research that the motivation and interest of the scientists, engineers and broadcast journalists who collaborated to make it, largely mirrored mine of a half century later. The scientists sought trajectory data; the journalists, to tell the story of the dawning of the space age. I resolved to help bring the film fully out of obscurity by publishing the results of my research into its origins, as well as an accurate video rendition.

8. Editing of the Present Video of Sputnik 1 Rocket

NARA's reproduction copy of its film is 16 mm format, 83 feet long. At the nominal rate of 40 frames per foot, there would be 3320 frames. The video copy licensed from CriticalPast consists of 3249 frames, which is reasonably close. Upon playback, it is evident that NARA's film consists of two positives of the original kinescope film spliced together. I will refer to them as Copy 1 and Copy 2.

The original kinescope reportedly was recorded at the non-standard rate of 8 fps (closer to 7.76 fps, I estimate), but for some reason, all public productions have been at the motion picture standard 24 fps - three times too fast! That is true of WBZ-TV's production, the few newsreel clips I have seen, and the CriticalPast version. CriticalPast telecined the film from 24 fps to the nominal broadcast standard of nearly 30 fps by inserting what appears to be a duplicate frame after every 4 frames. To facilitate smoother playback at 7.76 fps, I identified and discarded the duplicate frames, yielding 1304 unique frames of Copy 1 and 1293 unique frames of Copy 2.

The next editing phase was to select the scenes and frames to be included in the production. Image quality was the major consideration. Both copies are marred by considerable contamination and apparent damage. Overall, Copy 2 seems superior in terms of contamination, but Copy 1 is better in some places, and in many random frames. Since they are otherwise very similar, I decided to identify the matching frames of both copies, and select the best one by visual inspection - feasible only due to the relatively small number of frames.

My earlier trajectory analysis aided greatly in understanding the technical details of the film, which informed the editing. The following preliminary 2-line elements, derived in late 2007, enabled estimating the absolute time of each frame to within about one second and identifying the stars that appear. The earliest frame showing the rocket was imaged at 10:17:25 UTC.

1 00001U 57001A   57287.40195948  .00516919  00000-0  20815-2 0    05
2 00001  65.2379 311.4754 0470264  45.4407 318.4118 15.05039926    03

There is reason to be confident in the frame time estimates, because the above orbit was based in part on precise observations made from Australia less than one hour before and after Sputnik 1 rocket's Baltimore pass, discussed earlier. The accuracy of the frame times also depends on the accuracy of the assessment that the imaging was performed at the Bendix-Friez facility in Towson, MD (39.38389 N, 76.56889 W, 119 m). If subsequent research reveals the actual location to have differed by more than a few kilometres, then the times may need to be revised by up to a few seconds.

Determining the actual frame times helped correct a splicing error in the original film, which has the final scene - the one that shows the rocket passing below Denebola in Leo - far out sequence. Gaps are present at two scene changes; approximate frame times and durations are: 10:18:03 UTC for 9 s, and 10:19:39 UTC for 4 s. They are evident in the present video as sudden jumps in the estimated frame times.

I excluded the initial scene (the first 171 unique frames of Copy 1, and 176 unique frames of Copy 2) since Sputnik 1 rocket is not visible and little else of interest is evident. It appears to have been shot immediately before the arrival of the rocket. The stars Mizar and Alcor are visible some of the time, and the camera appears to have been pointed close to the predicted track of the rocket. Unfortunately, it passed directly through the region of dense noise in the lower half of the field, rendering it invisible.

A total of 1133 frames were selected for the production; 273 from Copy 1, and 860 from Copy 2. They were assembled in the correct sequence and renumbered accordingly to facilitate further editing.

The video licensed from CriticalPast is 1920 x 1080 pixels. The film image occupies 1890 x 1080 pixels; black borders account for the remainder. Versions closer in aspect ratio to the original 4:3 were available, which probably would have been a wiser purchase, but re-sizing would still have been required. Editing consisted of cropping the black borders, resizing to 704 x 528, and flipping each frame horizontally, since they were mirror images of the original. Processing was performed using VirtualDub 1.9.11. Results were saved lossless in preparation for adding captions and times.

Captions and times were generated in an Excel spreadsheet and stored in separate text files. VB.NET code was written to append a 30 pixel high black border to the bottom of each frame, and draw the captions and times. Results were saved lossless for input to VirtualDub for assembly into the final compressed video. The degree of H.264 compression was determined by trial and error, to allow for playback at a reasonable size on screen without excessive artefacts, as judged by my eyes.

9. Other Reported Sputnik 1 Motion Pictures

In addition to the Baltimore kinescope of October 12, at least four other attempted or successful motion pictures of Sputnik 1 rocket have been reported.

9.1 Project Cat Eye, Wittenberg University

On the morning of October 11, the USAF's Aeronautical Research Laboratory (ARL) attempted to track Sputnik 1 rocket, under Project Cat Eye, using an experimental sequential light-amplifier system (SLAS), installed at the Weaver Observatory of Wittenberg University, Springfield, Ohio (SAO Site 3008):

In response to an urgent request from higher Air Force echelons for trajectory data and an inquiry from the Air Technical Intelligence Center as to the possibility of photographing the third-stage rocket of Sputnik I at a high enough resolution to supply data on its size and configuration, ARL attempted to obtain the desired information with the help of the sequential light-amplifier system. From the outset it was considered unlikely that the satellite could be successfully photographed with the installation at Wittenberg University, because of the very small field of view of the telescope and because the mounting (which was designed for following a star-image course) was too cumbersome for the fast tracking demanded by a satellite. Nevertheless, numerous efforts were made -- without much success -- to track and photograph the satellite using this equipment.36

The U.S. National Archives and Records Administration (NARA) holds a copy of film of the Wittenberg imaging attempt of October 11 in a USAF archive. The National Archives Identifier (aka ARC Identifier) is 67180. The Local Identifier is 342-USAF-25650. The shot list states that the film shows Sputnik 1, "moving slowly across TV screen in a darkened room," which is at odds with reference 36. A video copy is available for viewing and licensing from archival footage provider CriticalPast. It appears to show a star-like object that remains more or less fixed in position during the 2 min. running time. Since it was impossible to track a fast-moving object using the telescope's equatorial mount, it seems likely that the object is in fact a star, perhaps located near the predicted track of the rocket, and used as a guide in the hope of capturing a few frames of it, if/when it passed through the field of view.

By late November 1957, the ARL had configured an SLAS at Wright-Patterson AFB (WPAFB) with a servo-controlled gun mount with the required tracking speed, which apparently operated in a mode similar to a cinetheodolite:
... When the main telescope was brought to bear on the satellite, the image was passed to the transducer photocathode by the proper positioning of a mirror. After the light amplification had taken place, the image appeared on the monitor screen and was recorded on 16-millimeter motion picture film. At the same time, other motion picture cameras were recording the azimuth and elevation information. The first really successful satellite photographs made through the use of this apparatus were taken of Sputnik II during predawn conditions on 11 December 1957, at distances ranging from 600 to 758 miles.36

The satellite would have remained nearly fixed on the screen, and any stars within the field of view would have appeared to move past it. The result would not have been as visually interesting as showing the satellite moving past fixed stars, but the primary objective was to obtain trajectory data. The catalogue of positional observations of Sputnik 2 (1957 Beta) in SAO Special Report No. 10, appears to include an observation made with the SLAS at WPAFB (SAO Site 3009) on December 12.

9.2 Harry Mamas, Cambridge, Mass.

Mr. Harry Mamas, Boston bureau manager of INS-Telenews, claimed to have shot 40-50 ft. of film of Sputnik 1 rocket on the morning of October 11, from the SAO site at Cambridge, Mass. The film reportedly was scheduled for broadcast that evening by ABC-TV, on John Daly and the News (7:15-7:30 PM EDT).37 Assuming 16 mm film at 24 fps, the duration of the film would have been more than one minute. Mamas was one of several reporters known to have been present at the SAO, who believed they spotted the object.38 Whether the film was ever broadcast and its present status is unknown.

9.3 KTTV, Los Angeles

On the evening of October 23, Los Angeles TV station KTTV had a crew at International Airport, waiting to cover the arrival of Brooklyn Dodgers (soon to be LA Dodgers) President Walter O'Malley. They spotted Sputnik 1 rocket at 5:48 PM PST and informed the station, which interrupted its regular program with a live broadcast of the object. It was seen for about 90 s, "clearly visible against the dark sky", looking like "a large, fast-moving star".39,40 Sputnik 1 rocket is known to have made an excellent pass at exactly the reported time. It happened to be exactly at perigee, and close in track to Los Angeles, resulting in a high-elevation pass, with good illumination. Positional observations were made from the area at the same time, by the Baker-Nunn camera at Pasadena (SAO Site 8008), and Operation Moonwatch teams at Whittier (SAO Site 12) and Los Angeles (SAO Site 100). Whittier reported its brightness as magnitude 0; Los Angeles reported it varying between magnitude 1 and 4 - both consistent with present day knowledge of the object's size, orbit and optical behavior. Whether KTTV made a recording, and its present status is unknown.

9.4 Australian Broadcasting Commission, Sydney

An undated motion picture attributed to the Australian Broadcasting Commission (ABC), reportedly shot from Sydney, appears in a Movietone newsreel about Sputnik 1 at 1m32s.41 Australia was among the first places to have a good view of the orbit and accounted for the first precise observations. Sputnik received considerable press attention; therefore, it is highly plausible that motion picture imaging was attempted. The newsreel clip appears to be of a bright, diffuse, round object, being tracked at high angular velocity, possibly through some thin cloud. The lack of background stars frustrates any modern effort to verify the identity of the object. The present status of the film is unknown.

10. Acknowledgements

I wish to thank Paul Fjeld and Allen Thomson for their advice on the production of the video of Sputnik 1 rocket, and Sarah Shrigley for insights into broadcast practices of the era. Special thanks to Jack Kelly and Bryan Kelly, respectively the son and grandson of John Kelly, for providing biographical information and sharing documents from the family archive related to the Sputnik imaging project.

11. References

1. The Massena Observer, "Dr. Marmo Takes First Movies Of Sputnik", The Massena Observer, Massena, N.Y., October 21, 1957: 4.
2. F. F. Marmo, L. M. Aschenbrand, J. Pressman, "Physics of Artificial Electron Clouds", ARS Journal, June 1960: 523-530.
3. Daily Boston Globe, "WBZ-TV Shows Sputnik Films; Satellite Clear", Daily Boston Globe, October 13, 1957: 1.
4. The Sun, "Satellite Filmed By Baltimorean", The Baltimore Sun, October 13, 1957: 2.
5. Westinghouse, "WBC Is First to Show 'Sputnik'", Westinghouse News, Vol. 12, No. 23, Pittsburgh, Pa., October 29, 1957: 1.
6. Broadcasting, "Westinghouse Broadcasting Co" in "Datelines" section, Broadcasting, October 21, 1957: 111.
7. (UP) Boston, October 12, 1957, "Pictures of Sputnik on Television", Lowell Sun, Lowell Massachusetts, October 13, 1957: 40.
8. The Paris News, "Westinghouse Brings 'Sputnik' Film Here", The Paris News, Paris, Texas, December 1, 1957: 6.
9. Chester Times, "Film on First Sputnik Is Available Locally", Chester Times, Chester, Pennsylvania, December 17, 1957: 12.
10. G. F. Schilling, T. E. Sterne, "Preliminary Orbit Information For USSR Satellites Alpha One And Alpha Two", SAO Special Report No. 1, October 14, 1957: 4.
11. J. Karas (guest), "WE'RE 4 Looking Back at 30", WBZ-TV Boston, June 9, 1978.
12. Broadcasting,"'2000 A.D.', Stimulus to Science", Broadcasting, March 25, 1957: 124.
13. H. L. Baker Jr., MD, "In Memoriam: Ralph E. Sturm", Radiology, December 1994: 880.
14. B. Wolfe, Westinghouse Broadcasting Co. Inc., "Reactivation Of Image Orthicons Under Low Temperatures", IRE Transactions on Broadcasting, April 1960; BC-6(1): 27-28.
15. J. Kelly, "Operation Sputnik Expenditures", Westinghouse Internal Correspondence - Form 3504Q, October 17, 1957.
16. (AP) Fairbanks, Alaska, "Three Young Scientists In Alaska Among First Americans To See Soviet Satellite", Ocala Star-Banner, Ocala, Florida, October 7, 1957: 3
17. R. C. Cowen, "Computer Tracks Orbit", The Christian Science Monitor, October 11, 1957: 1.
18. The Christian Science Monitor, "Sputnik On TV" (photo caption), The Christian Science Monitor, October 14, 1957: 1.
19. F. F. Marmo, J. Pressman, E. R. Manring, L. Aschenbrand, "Artificial Electron Clouds V: Morning Twilight Study, Release Of Cesium And Sodium At 128 And 116 Km", Planet. Space Sci., Pergamon Press, 1960. Vol. 2: 174-186.
20. O. W. Linton, MSJ, R. W. Gayler, MD., "Johns Hopkins Radiology 1896-2010 - Ch.16 Russell Morgan The Inventor", Johns Hopkins Medicine, 2011: 133-142.
21. Lowell Observatory, Flagstaff, Ariz., "Reports of Observatories", Astronomical Journal, Vol. 60, September 1955: 286-288.
22. Commission 9: Instruments, "Signal Generating Image Tubes", Transactions of the IAU Volume X 1958: 148-149.
23. G. P. Kuiper (Yerkes Observatory, Williams Bay, Wis.), "On The Performance Of The Bendix Lumicon With Astronomical Objects", Air Force Cambridge Research Center, Geophysics Research Directorate, Bedford, Mass., AFCRC-TN-59-637, GRDST-9, September 1959.
24. J. Poole (Johns Hopkins University, Baltimore, MD.), "TV a New Eye for Medicine", Lawrence Daily World-Journal, Lawrence, KS, April 16, 1960: 4.
25. RCA, "Smile! They May Put Your Next X-Ray Exam On Television Tape", Broadcast News, Radio Corporation of America (RCA), Vol. No. 114, August 1962: 5.
26. B. A. Bang, "High-Sensitivity Television as an Aid to Low-Light-Level Photographic Recording", Fifth International Congress on High-speed Photography, Washington, D.C., October 18, 1960.
27. A. F. Cook et al (SAO, Cambridge, Mass.), "Combined Observations of Meteors by Image-Orthicon Television Camera and Multi-Station Radar", Evolutionary and Physical Properties of Meteoroids, IAU Colloquium #13, State Univ. of New York, Albany, N.Y., June 14-17, 1971: 23-44.
28. G. T. Hicks, "Image orthicon techniques and satellite cinemaphotography: Anna 1-B", Photographic Science and Engineering, Vol. 7, No. 6, Nov-Dec 1963: 328-330.
29. T. N. Davis, G. T. Hicks, "Television Cinemaphotography of Auroras and Preliminary Measurements of Auroral Velocities", J. of Geophysical Research, Vol. 69, No. 9, May 1, 1964: 1931-1932.
30. G. T. Hicks, G. G. Barton, JR., and W. J. Dambeck, "Meteor Photography with an Image Orthicon System", Meteor Orbits And Dust - The Proceedings Of A Symposium, Smithsonian Contributions to Astrophysics, Vol. II, Cambridge, Mass. August 9-13, 1965: 95-103.
31. T. N. Davis, "The Application Of Image Orthicon Techniques To Auroral Observation", Space Science Reviews, Vol. 6, Issue 2, November 1966: 222-247.
32. "Satellite Filmed Over Baltimore", article clipped from unidentified Baltimore area newspaper, October 13, 1957: B-1.
33. The Townsman, "Three Local Radio Men Coordinate WBZ Air Force 'Sputnik' Portrait", The Townsman, Wellesley, Mass., October 17, 1957: 1.
34. Broadcasting, "Boston" in "Datelines" section, Broadcasting, October 21, 1957: 110.
35. (UP) Cambridge, Mass., "Shifting Course of Satellite Poses Puzzle", Traverse City Record-Eagle, October 15, 1957: 1.
36. D. Bushnell, G. P. LeCompte, "Project Cat Eye: A History of Light Amplification Research At The Aeronautical Research Laboratory, 1952-1960", March 1962.
37. Broadcasting, "Sputnik Rocket Film Claimed" in "at Deadline" section, Broadcasting, October 14, 1957: 10.
38. E. Tavel, "Soviet Space-Satellite Rocket Sighted By Observation Teams in Cambridge", The Christian Science Monitor, October 11, 1957: 1.
39. LA Times, "KTTV Transmits Live Shots of Sputnik Shell", LA Times, October 24, 1957: 6.
40. Broadcasting, "Los Angeles" in "Datelines" section, Broadcasting, October 28, 1957: 84.
41. B. Loweree (editor), J. King (narrator), "Sputnik Spotted and Filmed From 2 Far Removed Sites", Movietone News, October 1957.
42. "Technology in Support of National Security", MIT Lincoln Laboratory, 2011: 176-182.

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