Observations 31 Mar 2008: ---------------------------------- Cosatrak 1 (Computerised satellite Tracking System). MINTRON low light level CCD surveillance camera (0.005 lux typical in non integration mode) and 0.00005 lux in STARLIGHT mode with 128 frame integration. Used with 50mm focal length f/1.8 lens,integrating for 128 frames which is equivalent to a max exposure of 2.56 seconds per image. Site 0433 : Longitude 18.51294 deg East, Latitude 33.94058 deg S, Elevation 10 metres - situated in Pinelands (Cape Town), South Africa For CLASSIFIED.TLE/GEO.TLE: ============================ 32706 08 010A 0433 G 20080331034416600 56 15 1334170+053337 39 +075 05 32706 08 010A 0433 G 20080331034540100 56 15 1334460+022603 39 +075 05 32706 08 010A 0433 G 20080331034641300 56 15 1334540-001255 39 +073 05 32706 08 010A 0433 G 20080331034715900 56 15 1334500-015139 39 +073 05 32706 08 010A 0433 G 20080331034827900 56 15 1334250-053640 39 +070 05 32706 08 010A 0433 G 20080331034940800 56 15 1333300-100442 39 +070 05 32706 08 010A 0433 G 20080331035055000 56 15 1331350-152426 39 +068 05 32706 08 010A 0433 G 20080331035214900 56 15 1327570-222035 39 +065 05 32706 08 010A 0433 G 20080331035312400 56 15 1323550-281519 39 +065 05 32706 08 010A 0433 G 20080331035420400 56 15 1316090-363001 39 +060 05 32706 08 010A 0433 G 20080331035459400 56 15 1309320-414955 39 +060 05 32706 08 010A 0433 G 20080331035600900 56 15 1253360-510400 39 +055 05 32706 08 010A 0433 G 20080331035651900 56 15 1230490-591112 39 +055 05 32706 08 010A 0433 G 20080331035736500 56 15 1156320-661638 39 +060 05 32706 08 010A 0433 G 20080331035852100 56 15 0946090-753135 39 +065 05 32706 08 010A 0433 G 20080331035935400 56 15 0739570-763653 39 +065 05 32706 08 010A 0433 G 20080331040018200 56 15 0555160-735929 39 +070 05 Strays seen: ============= Delta 2 R/B(1) variable 25135 98 002B 0433 G 20080331034540100 56 15 1335060+020935 39 +050 05 Cosmos 2250 variable 22651 93 030F 0433 G 20080331034641300 56 15 1335340+022914 39 +050 05 Cosmos 1771 variable 16917 86 062A 0433 G 20080331034715900 56 15 1336530-003133 39 +060 05 Atlas centaur rocket bright flashes 13007 81 119B 0433 G 20080331034715900 56 15 1332310+013827 39 +040 05 Iridium 58 variable 25274 98 019C 0433 G 20080331034801900 56 15 1324560-042848 39 +055 05 SL-12 R/B(2) steady 15334 84 106B 0433 G 20080331035055000 56 15 1321170-164023 39 +030 05 Topex variable 22076 92 052A 0433 G 20080331035318400 56 15 1328150-313937 39 +040 05 SL-8 R/B steady 10992 78 074B 0433 G 20080331035459400 56 15 1312390-431856 39 +040 05 Noaa 15 steady 25338 98 030A 0433 G 20080331035600900 56 15 1246550-492546 39 +040 05 Notes: ========= (1) Purpose of tracking session was to acquire USA 200 (NROL-28) (2) Radio observations: AOS 03h22m05s UT frequency 2232.5307 Mhz Fmax 03h45m31s UT frequency 2232.5397 Mhz LOS 04h03m41s UT frequency 2232.4483 Mhz true frequency of satellite transmitter = 2232.493 Mhz comparison with optical observations show that my AOS radio horizon is about +5 degrees elevation, whilst LOS appears to give a radio horizon of about 0 degrees. (3) Satellite running very close to predictions based on elements by Ted Molczan and one other. The CoSaTrak tracking program indicated that the satellite was running approximately 36 seconds late. (4) The "strays" are satellites that crossed the field of view whilst tracking on USA 200. Cheers Greg ------------------------------------------------------------------------- Subscribe/Unsubscribe info, Frequently Asked Questions, SeeSat-L archive: http://www.satobs.org/seesat/seesatindex.html
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