RE: Object in Sky?

From: Derek C Breit (breit_ideas@hotmail.com)
Date: Sun Jul 27 2008 - 16:42:52 UTC

  • Next message: Allen Thomson: "RE: Object in Sky?"

    Not to confuse matters, which this will anyway, but Wifey and I recently, as
    in last week, did see a satellite that appears to wobble and we made a point
    of talking about it because I like satellites that "do things", such as
    flare, flash or blink, etc..
    
    I was going to mention it but with my limited net access, the timely mention
    of it had passed..
    
    So the wobble..Mag 2 satellite that appeared to wobble perpendicular to it's
    motion vector by not much more than the width of the satellite.. Made us
    think of a football throw that was not quite perfect.. North/South orbit
    
    Derek
    www.poyntsource.com/New/index.htm
     
    
    
    -----Original Message-----
    From: George Roberts [mailto:gr@gr5.org] 
    Sent: Sunday, July 27, 2008 9:21 AM
    To: Marilyn Harris; SeeSat-L@satobs.org
    Subject: Re: Object in Sky?
    
    
    >[...]
    >It was around 9:45 or thereabouts at night, we noticed a rather slow 
    >moving,
    >light-emitting object wobbling across the night sky which did not seem to
    be 
    >very far up (maybe a few miles?). Although it is difficult to determine
    
    >[...]
    
    Doesn't sound like a satellite.  Satellites don't wobble and they are points
    
    sources.  A light on a string hanging from a balloon?  Often people launch 
    candle hot air balloons - they can travel for many miles.  Satellites look
    like 
    airplanes - about the same speed and brightness (or fainter) - but don't
    have a 
    strobe light and don't have red and/or green lights on them.  The west to
    east 
    part sounds good (they usually head any direction except to the west but
    that's 
    possible too).
    
    Was it a point source or extended object?
    
    Definitions:
    point source is something that is so far away that it looks like a single
    point 
    of light although it might twinkle like a star or exibit tiny hair like
    fingers 
    sticking out (caused by the optical nature of our eyes).  Stars and planets
    seen 
    without optical aid are point sources (except for our sun).
    
    An extended object is something that you can see is larger than a point -
    most 
    things are extended - we can see that they have a shape even if it is very
    small 
    and round.
    
    - George Roberts
    http://gr5.org
    
    
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