Re: STS-80 and ORFEUS/SPAS

Robert G Fenske Jr (fenske@rgfpc.electro.swri.edu)
Tue, 3 Dec 1996 12:47:18 -0600 (CST)

On 3 Dec 1996, Brierley David UK wrote:
> I've just (December 3 12:59 UT) observed the Shuttle leading the telescope by
> 6.8 secs.  Approx mags +3 and +5.5 steady at 10 deg el in the S as seen from
> Colorado Springs.

	I observed the pair yesterday Dec 2 around 12:35 UT.  The pair
made a 45 deg max elevation pass.  The sky was already somewhat bright as
it was less than 40 minutes from sunrise.  The shuttle's mag was around 0,
ORFEUS was roughly +4.

	I also observed Lacrosse 1 which made a ~50 deg pass just minutes
before the shuttle.  Everything I've read says this satellite has a ruby
red color, but I only saw a slightly yellowish hue.  Since the satellite
followed the predicted path, I'm pretty sure it was Lacrosse 1.  This
is the first time I have seen this satellite.  Does it's color vary?  It's
magnitude was roughly +3, if that makes any difference.


Robert Fenske, Jr.   rfenske@swri.edu   Sw     | The Taming the C*sm*s series:
Southwest Research Institute           /R---\  |
Signal Exploitation and Geolocation   | I    | | "The Martian canals were the
San Antonio, Texas USA                 \----/  |  Martians' last ditch effort."