Re: amateur photos of Iridium

From: Patrice Scattolin (scattol@videotron.ca)
Date: Tue Jul 09 2013 - 01:50:16 UTC

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    ah!
    
    That certainly nails it! with such a small angular size, it will be near 
    impossible to see anything.
    
    Thanks,
    
    On 7/8/2013 1:19 AM, Thierry Legault wrote:
    > Patrice, at zenith (distance 800 km) an Iridium (larger dimension 4m)
    > has an angular size of 1 arc second. I'ts practically beyond the
    > reach of amateur telescopes, I know nobody able to obtain details on
    > a so small object, all the more that they are visible during a short
    > time during flares (the rest of the time they are very faint). In
    > comparison, the angular size of the ISS is about 60 times larger.
    >
    > regards
    >
    > At 00:15 08/07/2013, Patrice Scattolin wrote:
    >> Those are great but I am thinking of an image where you see the shape of
    >> the satellite, not images of a flare. I've seen the ISS in a scope and
    >> you clearly see the shape and a friend has attempted, apparently
    >> successfully, to image the satellite themselves. I wonder if anyone else
    >> tried that.
    >>
    >> On 7/4/2013 11:32 AM, Kevin Fetter wrote:
    >>> Video of iridium flare, I observed awhile ago.
    >>>
    >>> http://www.youtube.com/watch?v=1PFUP5LPyuA
    >>>
    >>> http://www.astrobrock.com/images/iridflare/iridium47.jpg
    >>>
    >>> http://www.astrobrock.com/images/iridflare/iridium84.jpg
    >>>
    >>> Colour version
    >>>
    >>> http://www.astrobrock.com/images/iridflare/iridium84-2.jpg
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    > Thierry Legault
    > www.astrophoto.fr
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