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Old 14-03-2012, 01:58 PM
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tilbrook@rbe.ne (Justin Tilbrook)
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Join Date: Jun 2007
Location: Penwortham
Posts: 3,039
Test image Eta Carina by moonlight.

Here's another image by moonlight, this time of Eta Carina.
There's quite a lot of coma as I wasn't using my coma corrector, this image is only two subs of 5 minutes each, ISO 200 and 400. They were stacked in DSS and processed in photshop.
No dark frames, flats or bias frames were used, I'm amazed how clean the image is. The only real problem with processing i had was the minimum pass filter in photoshop, it's very aggressive and can only set to 1 pixel. This leaves black rings around the stars, which I don't know how to get rid of yet.
Telescope 8" f/4 astrograph.
HEQ Pro5 mount.
Canon 1100D.
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