ISS in 10x30 binoculars

From: djmullen@tds.net
Date: Thu Mar 19 2009 - 11:14:24 UTC

  • Next message: Greg Roberts: "Re: ISS in 10x30 binoculars"

    I watched the ISS & Shuttle pass over southern Wisconsin Tuesday night.  It was a high pass, about 50 degrees and across the western sky.  I was watching with Canon 10x30 IS image stabilized binoculars.  I was standing and leaning way back to get the ISS/Shuttle in the FOV and even with the image stabilization, the view was pretty jumpy.
    
    Despite this, I had the distinct impression that the ISS/Shuttle pair were oblong.  They seemed to be stretched out more or less in the direction of their orbital motion.  I would estimate they were 1.5-2 times wider horizontally than vertically.
    
    Stars in the FOV were pinpoints.  I wasn't wearing my glasses and I have a little bit of astigmatism, but that usually shows up as a narrow downward spike.  The ISS/Shuttle combo were much brighter than the background stars, so irradiation may have "broadened out" the image a bit, but still the combo looked distinctly oblong.
    
    Is the ISS/Shuttle pair large enough to show a tiny amount of detail during a high pass with 30mm binocs at a magnification of 10?
    
    Dave Mullenix
    
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