Duncan Kitchin
Pooh-Bah
Reged: 12/16/04
Posts: 1278
Loc: Beaverton, OR, USA
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my second image of the night... not quite what I was hoping for, but at least I got it.
As the night wore on, the transparency seems to have worsened considerably (rather common around here, unfortunately), and Alnitak disappeared behind a tree. I got only 5 subs of 7 minutes each, and a rather noisy result. I'll take it, though...
Regards
Duncan
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QSI 583wsg / StarShoot Autoguider
Takahashi FSQ106ED
Astro-Physics Mach1
Celestron EdgeHD 11 / 0.7x reducer (new arrival)
150mm f/5 Newtonian, Baader MPCC
Stellarvue SV70ED
Home Page
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Tony B
Reged: 07/11/06
Posts: 979
Loc: Minnesota
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nice picture, makes me hope someday i can take a picture this good. what scope were you using?
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*-Tony Bombardo-*
4.5" Orion SpaceProbe f/8 reflector
Meade 70AZ-ADR 70MM f/10 refractor
ATM 6" f/4 reflector
Bausch & Lomb 8001 8" Cass
Celestron StarHopper 6" Dob
*-all this light pollution is making me cough-*
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Duncan Kitchin
Pooh-Bah
Reged: 12/16/04
Posts: 1278
Loc: Beaverton, OR, USA
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thanks! This was taken through a 6" f/5 Newtonian, on an EQ-6 (Atlas GoTo) autoguided using a Pictor 216XT on a 80mm f/11 guidescope.
Regards
Duncan
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QSI 583wsg / StarShoot Autoguider
Takahashi FSQ106ED
Astro-Physics Mach1
Celestron EdgeHD 11 / 0.7x reducer (new arrival)
150mm f/5 Newtonian, Baader MPCC
Stellarvue SV70ED
Home Page
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Tony B
Reged: 07/11/06
Posts: 979
Loc: Minnesota
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ic, i have a 6" starhopper but of course thats a dob, and i cant really use it for stuff like that...
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*-Tony Bombardo-*
4.5" Orion SpaceProbe f/8 reflector
Meade 70AZ-ADR 70MM f/10 refractor
ATM 6" f/4 reflector
Bausch & Lomb 8001 8" Cass
Celestron StarHopper 6" Dob
*-all this light pollution is making me cough-*
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thelittleman
Vendor (Peter's Actions)
Reged: 05/21/05
Posts: 4079
Loc: Hampshire, UK
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Duncan,
You have managed to resolve a fair amount with the lack of subs, but I imagine you had to stretch it a lot to get what you have.
I hope you don't mind but I ran it through Photoshop using some actions and some technical know-how I came up with this 
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Clear Skies,
Peter
Photoshop Tutorials and Actions! New actions now added
Preprocessing in Iris Tutorial
http://peter-morris.magix.net/
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Shadowalker
Apocaloptimist
Reged: 11/23/04
Posts: 10857
Loc: Carriere, Mississippi, USA
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Duncan, I've gotten pretty good photos of the flame and horse with exposure times similar to yours. And I've gotten worse ones with longer and more exposures. My guess is that the noise in your photo was light pollution, made worse by atomospheric conditions. I find on humid nights the LP fog on my exposures gets worse.
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"The truth rarely gets in the way of a good story. ~ R. Woods
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Duncan Kitchin
Pooh-Bah
Reged: 12/16/04
Posts: 1278
Loc: Beaverton, OR, USA
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Peter,
thanks! What actions did you use for this?
Tom,
yes, I'm pretty sure that's right. The level of light pollution seems to be heavily dependent on the humidity, and around here that's a serious problem. I was hoping that the transparency might not be too bad last night, but the humidity picked up during the evening. I need a roadtrip to find some reasonable conditions I guess...
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QSI 583wsg / StarShoot Autoguider
Takahashi FSQ106ED
Astro-Physics Mach1
Celestron EdgeHD 11 / 0.7x reducer (new arrival)
150mm f/5 Newtonian, Baader MPCC
Stellarvue SV70ED
Home Page
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s58y
Postmaster
Reged: 12/12/04
Posts: 6505
Loc: Eastern NY
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Looks pretty good for just 35 minutes with an unmodded 300D. When I did the HH last season with an unmodded DSLR, it took hours of exposure to get anything decent to come out.
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Hutech 500D/T1i, 550D/T2i, DMK21AU618, SBIG ST-402 autoguider
SV80S, TV102iis, EdgeHD 800
Lenses: 800mm, 180mm, 135mm, 105mm, 85mm
AP900, Barndoor tracker
http://www.flickr.com/photos/s58y/
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