Superbird A and Chinasat 7

From: Ed Cannon (ecannon@mail.utexas.edu)
Date: Sat Apr 28 2001 - 02:46:55 PDT

  • Next message: Michael McCants: "OIG Catalog Action Report for the week ending Apr. 28"

    Once again last night (April 28 UTC) Superbird A (89-041A, 20040)
    exhibited a long series of maxima up to +5 or very possibly +4.5 
    quite a while after the main flash episode, every 22.8-seconds.  
    After timing the main episode until about 3:10 UTC, from time to 
    time I looked for it again.  Finally, about 3:51, I saw it flash 
    again, and Mike McCants with telescope and I with binoculars 
    observed it for a while.  The last flash I timed was at about 
    4:15:22, and by about 4:18 Mike said it was very faint.  It seems 
    to me that this separate Superbird A flash episode is occurring 
    several minutes later each night.  (While watching Superbird A, 
    Mike saw a faint presumably geo object tumbling very slowly 
    nearby.)
    
    Chinasat 5 (84-049A, 14985) did an interesting flash-flash-miss 
    pattern that we observed from about 4:25 to 4:55.  The period is 
    now about 145.5, and the brightest maxima were at least +5 if not 
    +4.5  In his scope Mike saw a couple of the "missed" maxima at an 
    estimated +11.5.  Here's a PPAS report on this object:
    
    84- 49 A 01-04-28 04:54:27   EC 1601.0 0.3  11 145.54 mag +4.5->inv
    
    Observing location was BCRC:  30.314N, 97.866W, 280m.
    
    We took a few minutes off to watch the Moon occult eta Geminorum.
     
    Ed Cannon - ecannon@mail.utexas.edu - Austin, Texas, USA
    
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