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Old 22-07-2008, 11:35 AM
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amoeba
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M20 - testing some new toys

Hi,

Got out last night to test a new QGuider and Moonlite motorized focuser, had to put up with constant wind gusts and a near full moon, but the final processed version seemed to came up ok;

http://www.softworx.com.au/astro/M20-Trifid-210708.jpg

Shot details are;

5 x 15min 400 iso light subs
3 x darks
3 x flats

Equipment was;

Skywatcher 8" Newt
EQ6 Pro mount
Canon 20d Hutech modded
Baader MPCC + Hutech 2" IDAS LPS filter

Auto-guided with 80mm Skywatcher ED + QGuider mono

Was the first time I have used flat frames (after a weekend light box project and too many visits to bunnings). Its hard to believe how much of a difference it makes!

Looking forward to the new moon to give these toys a real go.
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Old 22-07-2008, 12:15 PM
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leon
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Well your new toys have served you well, very nice capture indeed, yep, those flats tend to make a big difference to the final result, well done.

Leon
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  #3  
Old 22-07-2008, 12:39 PM
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AlexN
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well done! looks great...

The MPCC does a fine job of sorting out the warp speed effect.

Gotta love autoguiding !
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  #4  
Old 22-07-2008, 01:04 PM
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dugnsuz (Doug)
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Wow, 15min subs!!!!
Very nice final result.
I've avoided flats so far - I'll have to reconsider my position I think!
Doug
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  #5  
Old 22-07-2008, 05:39 PM
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Dr Nick (Nick)
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Nice work, the wide field is great, a lot better than mine!
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Old 22-07-2008, 05:58 PM
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Bassnut (Fred)
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Very smooth, flat field, nice work. 15min at 400ISO?, a bit strange, either shorter exposures at 800ISO, or more depth/less subs at 800 might have been easier, but an impressive result.

Guiding is a bit woofy, which might not have appeared at 800ISO/8 mins.
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  #7  
Old 22-07-2008, 06:26 PM
Alchemy (Clive)
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youve done well there, the modded 20d does some impressive work, and the flats are well worth it..... you will find they are somewhat temperature dependant , so if you go like 5 deg difference you will definitely need new ones for that image. just keep an eye on the temp when you shoot. i used to list the temp for each exposure when i used a dslr and found it helped

cheers clive.
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Old 22-07-2008, 07:17 PM
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amoeba
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Thanks for your encouragement everyone & thanks for the tips Clive & Bassnut. I will have to keep an eye on that temperature.
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  #9  
Old 22-07-2008, 07:53 PM
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multiweb (Marc)
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That is a great picture considering moon glow and all... awesome!
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