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Nebulae

M20 added to Summer Mosaic Project

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My Summer Astrophotography Mosaic Project Above: M20 and M8: Imaged Friday, June 14, 2013 & July 13, 2013 M8: 11 subs 5 Minutes Each totaling 55 Minutes M20: 24 subs 6 Minutes Each totaling 2 Hours, 24 Minutes My summer mosaic project is coming along with the addition of the Trifid Nebula in Sagittarius. As usual, I have done a crummy job framing up my subject! I have now lost the Cat's Paw Nebula in order to fill the frame. The next chance I get, I will be shooting the Cat's Paw Nebula area to fill in the gaps, and create a much wider field image. I had q…

Astrophotography Processing Graphic

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Basic Processing of an Astro-Photo I created a graphic showing the basic steps needed to turn a raw stacked astrophoto into the final image. This was from data collected in July at the CCCA Observatory in Wellandport, Ontario. I wish I had framed the object better so I could have included M20, oh well, next year!

Unmodded DSLR Test – California Nebula

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NGC 1499 - The California Nebula ES ED80 Canon Xsi unmodded (54) 3 Min Frames @ iso 1600 Stacked with Darks in DSS, Processed in PS CS5   When I shot the North American Nebula, my astro-buddies said things like "Wow your unmodded Xsi picks up a lot of red" and I thought, hey, maybe I can hold off on an expensive and intrusive mod to my precious Canon.  All of those thoughts disappeared as I began to process my photo of NGC 1499 yesterday. This nebula doesn't even EXIST with an unmodded dslr!  I suppose the photo above shows a pleasant mix of coloured stars and faint…