Two flashing geosynchs

From: Ed Cannon (
Date: Wed Mar 01 2006 - 06:27:29 EST

  • Next message: Peter Wakelin: "SATOBS 2006 February 28- March 01"

    Earlier tonight I was looking for Raduga 11 (82-113A, 13669)
    which Don Gardner reported some time ago.  I saw something
    flashing about +5.5 every 13 seconds.  That was Gorizont 15
    (88-028A, 19017).  After Mike got that one in his scope, he
    saw another flash very near it, and that was indeed Raduga 
    11, with a flash period of about 74 seconds.  I could see 
    it also with 10x50, probably also about +5.5 magnitude.  
    I looked pretty hard for flaring geosats but did not see 
    any.  But I didn't have my usual wide-field binoculars; I
    got in a rush to leave and forgot to take my briefcase 
    with me (with binoculars, Bright Star Atlas 2000, and red
    flashlight).  So Mike loaned me the narrow-field 10x50 
    that I used for some time about nine years ago, along with
    a red flashlight and sky charts (but I ended up using my
    Herald-Bobroff atlas).  I find that scanning for flaring 
    geosats (along with aiming at the right spot for LEOs, 
    etc.) is much easier with wide-field binoculars.
    It will be interesting to see what they may try to do with
    Arabsat.  Congratulations to Kevin on seeing part of the 
    launch sequence!
    Ed Cannon - Austin, Texas, USA
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