Star Trails and Iridium Flare 

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Image was taken on February 27, 2004.  This image was my first attempt at taking star trail pictures with my Canon EOS Digital Rebel.  Fifteen two minute shots at 18mm, f/6.3 and ISO1600.  The images were later stacked using the Lighten Layer function in Photoshop.  The Iridium flare was a pleasant surprise.  To reduce the gaps between successive exposures a final duplicate image was made, rotated, then added to the original using the same Lighten function .  The results are very impressive considering a first quarter moon illuminated the entire sky.  The orange glow was caused by low level clouds and light pollution.  

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