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13-April-2007, 07:32 AM
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Double Iridium Flare captured April 12, 2007
Hi Guys - I had planned to capture a -6 Magnitude Iridium flare tonight, and really wanted to get the whole thing in a single image. I had set my camera to 1 minute exposure at f/8, ISO 800, 26mm focal length. I timed the start of the flare based on data from www.heavens-above.com and had set the remote shutter to take 3 images. The first image had no flare data, but the second one had the expected flare. I let the remote fire the third shot, as I had planned to stack the 3 images to decrease the digital noise level. Somewhere around 15 seconds into the third shot, I noticed a shorter, lower magnitude flare below the area of the main flare. I have no idea which Iridium satellite this is. The heavens-above website indicated only one flare, Iridium 43, and it was at the exact time they had predicted. I guess I'll have to search for this one.
The attached picture is a combination of the 3 individual shots, for a total of 3 minutes exposure time; each image was taken at f/8 and ISO 800. Images combined by Image Stacker; processing, cropping and text frame done in PhotoShop CS, and noise filtering done in Neat Image. Comments and suggestions welcome. Clear skies! Paul
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Photons are free. Take some! 
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13-April-2007, 08:35 AM
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Fantastic shot, Paul. Could the second one possibly be a small meteorite?
Phil
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If at first you fail, you're running average
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13-April-2007, 10:29 AM
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...absolute great shot, Paul!
superb!!! Diets
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13-April-2007, 02:53 PM
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Hi Paul!
You have beautiful shots of Iridium Flares and this one is another superb. Thanks for sharing. I love your photos. 
__________________
Jean ----- "The important thing is not to stop questioning. Curiosity has its own reason for existing." - Albert Einsteiin
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