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29-October-2007, 11:16 PM
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My attempt at 17P/Holmes
Please excuse the relatively poor quality - this was a quick set up, rough focus and shoot - all in the space of about 10 minutes. I didnt have time to cool the scope down and didnt even have the Alt-Az drives running.
Taken on 29th Oct 2007. This is a median stack of 13 x 2sec iso1600 unguided using a Canon EOS300D attached to a 10" Meade LX90 fitted with an F6.3 focal reducer and a 26mm eyepiece. Stacked in DeepSkyStacker 2.6.1, touched up in Photoshop elements and RL deconvolution using Iris 5.41. 
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My Website: http://www.jupiter1.freei.me/ Last edited by Moonhawk; 31-October-2007 at 12:25 PM.. 
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30-October-2007, 12:45 AM
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That's a great photo! Don't apologize.
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30-October-2007, 11:07 AM
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nice close up. yet a bit noisy - but you captured it!
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30-October-2007, 03:23 PM
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I have re-registered and stacked the raw frames in registax 4 instead - I think the result is a lot smoother.
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My Website: http://www.jupiter1.freei.me/
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30-October-2007, 08:46 PM
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Just tried to capture some better shots - took some up to 30 seconds in duration - however I have a problem.
The stars are showing severe comatic aberration - stretched from the centre of the image outwards. Can anyone shed any light as to why this is hapenning - I dont see the same effect visually. My setup is as follows 10" LX90 --> F6.3 Focal Reducer --> Diagonal --> Camera mount/T-adapter + 26mm plossl eyepiece --> Canon EOS 300D 
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My Website: http://www.jupiter1.freei.me/ Last edited by Moonhawk; 31-October-2007 at 11:03 AM..
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