Re: NOSS 6(F) magnitude +1.5 at 2000 km

From: Bram Dorreman (bram.dorreman@skynet.be)
Date: Fri Jun 10 2005 - 18:23:15 EDT

  • Next message: Bram Dorreman: "BD PPAS obs 2005 June 06"

    Ed,
    
    You wrote:
    
    > At the somewhat early end of the session due to the clouds,
    > I looked for one more in the northwest.  To my surprise
    > there was a magnitude +1.5 (maybe brighter?) object to the
    > left of the pointer stars (west side of the bowl of the
    > Big Dipper, part of UMa).  It was moving quite slowly
    > higher up the sky.  It hit a star left of the bowl.  I
    > tracked it as it climbed higher and slightly south, and
    > just before a cloud got in the way, it hit a very close
    > pair of stars.  Findsat identified it as 14795, 84-012F,
    > NOSS 6(F).  Quicksat predicted the magnitude near the
    > first position at +9.1 (int. mag. +6.5).  The observing
    > site was BCRC, 30.315N, 97.866W, 280m.
    
    I had similar experiences many years ago with an older triplet.
    Then all three satellites brightened to magnitude +2.
    I remember that is was rather high in the sky, somewhere between Vega and
    Hercules.
    Those brightenings were not exactly simultaneous but with a couple of
    seconds in between.
    
    The NOSS-satellites are very phase-sensitive. It has something to do with
    their shape and extensions I suppose.
    
    If I remember well once an even brighter appearance of a NOSS satellite was
    reported. It reached a negative magnitude while it was rather close to the
    horizon.
    
    Bram Dorreman
    COSPAR 4160
    51 16' 45.5" N  5 28' 36.6" E (WGS84) 35 m
    
    
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