re: Superbird A (89-41A) and GStar 1 (85-35A)

From: Ed Cannon (
Date: Wed Apr 25 2012 - 22:26:35 UTC

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    I wrote, mistakenly:
    "Earlier tonight I saw GStar 1 (85-35A, 15677) flashing
    brightly at about 4:30-37 UTC, near RA 11:40, Dec +5.5."
    Mike got a position last night and has determined that
    this was in fact NASA's ACTS (22796, 1993-058B), which 
    was very close to the position of GStar 1.  Its flash 
    pattern is complex, but the flashes occur at different 
    multiples of about 25.7 seconds.  Some of them are 
    probably visible without magnification.  We watched it
    from about 4:02 to 4:24 UTC, RA 11:15-37, Dec roughly
    +6 to +5.5.
    Mike sent the following link to information about ACTS.
    Last night by accident I saw another flashing geosynch
    in the southwest.  I think that it may have been 
    GStar 4 (20946, 90-100B).  Observed about 2:11 to 
    2:13:20 UTC, RA about 7:54, Dec +4.2.  This one's 
    identity is not certain and needs to be confirmed.  
    The flash period was very short for a flashing 
    geosynch, only about 7.2 seconds.
    Ed Cannon - Austin, Texas, USA
    Seesat-l mailing list

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