Re: CZ-4C DEB 36417 Flares while in shadow - is this common ?

From: George Herbert (george.herbert@gmail.com)
Date: Fri Sep 14 2012 - 01:05:12 UTC

  • Next message: Kevin Fetter: "ISS orbit boost shortly"

    On Tue, Sep 11, 2012 at 8:13 PM, joseph daniel <station969@hotmail.com> wrote:
    >
    >  Spotted CZ-4C DEB - NORAD  36417 flaring last night (used Satflare to easily nail it) , around mag
    > +2.5 to +3.5 perhaps , and will do an FPAS soon , but was curious about it flaring 1 minute
    > before it came out of shadow (HA & FS both confirm inside shadow) .
    >
    >  Is this common ? If it wasn't sunlight bouncing off could it have been Venus or Jupiter or
    > Capella etc or even the moon (flare lasted ~3 seconds) ?
    >
    >  Also , did a search of Seesat's archives (thanks George) and only 1 hit from 53 weeks ago by
    > Kevin Fetter  http://www.satobs.org/seesat/Sep-2010/0198.html , although Satflares newly
    > expanded DB showed this report by Brad Young early this year also .
    > http://www.satobs.org/seesat/Jan-2012/0228.html
    >
    >  Also of interest was HA having 19 different NORADS for that one sat name . I'm guessing they
    > all originated from one particular vehicle ?
    >
    > Thanks in Advance for any info ,
    > gc
    
    Question - does the database show it in umbra or penumbra at that point?
    
    The sun's not a point source, and this could be where a simplification
    is getting that point wrong...
    
    
    -- 
    -george william herbert
    george.herbert@gmail.com
    _______________________________________________
    Seesat-l mailing list
    http://mailman.satobs.org/mailman/listinfo/seesat-l
    



    This archive was generated by hypermail 2b29 : Fri Sep 14 2012 - 01:05:40 UTC