Telstar 401 flashes and Milstar 3 flare

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Fri Sep 06 2002 - 06:39:39 EDT

  • Next message: Allen Thomson: "Re: Telstar 401 flashes and Milstar 3 flare"

    Telstar 401 (22927) was flashing last night.  Its flash 
    period has slowed down several seconds since a couple of 
    months ago.  Mike McCants looked for but did not see any 
    half-period maxima in his telescope.  Here's PPAS report:
    
    93- 77 A 02-09-06 05:09:26.9 EC 1329.2 0.2   5 265.84 +4.0->inv
    
    I saw it when looking for GStar 1 (15677, 85-035A), which
    has a much shorter flash period, and which I didn't see.
    Kept trying at multiples of both objects' flash periods
    (or half-period for Telstar 401) and managed to see the 
    second flash.
    
    I happened to see an extra first magnitude star in Oph; it 
    was at about 17:15, -9 or -10.  "Mike, that's not a star, 
    is it?  There's not supposed to be a bright star there, 
    right?"  It was moving quite slowly.  It was Milstar 3 
    (99-023A, 25724).  It stayed brighter than +3 for at least 
    a minute if not two.  
    
    Cosmos 2282 PPAS report:
    
    94- 38 A 02-09-06 04:04:07.9 EC 2229.7 0.3 107 20.838 +4.5->inv
    
    I saw one I can't ID with alldat; got three rough positions:
    
    2002/09/06 UTC; 2000 coordinates
    02:43:48   17:28, +1.3 (crossed with Cosmos 1900 (87-101A, 18665).
    02:44:21.5 near 17:43.5, +4.57
    02:44:45.3 near 18:00.3, +4.35 
    
    One UNID brightened to +3 twice as it went south.  It was
    Cosmos 1934 (88-023A, 18985).  It looked like a slowly
    tumbling Zenit, seen without binoculars.
    
    BCRC site:  30.315N, 97.866W, 280m.
    
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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