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Tuesday, September 1st, 2009
Tonight I decided to shoot something I knew worked so I used the DSLR and shot the core of Andromeda and submitted it to the Digital Astro challenge. It's surely not an award winning image, but it is fairly interesting framing and the dust lanes into the core are kinda cool. We'll see if anyone else likes it.
 
M31 Central Region
After struggling with the CCD, and wanting to submit something to the digital astro challenge l decided to shoot the central region of M31 on a near full moon night. Doh! It was also experimental as I've not shot ISO 400 before. I'll perform an ISO 400 test on a dark night one more time.

Scope: Vixen R200SS 200mm @ f/4 w/Vixen R200SS Coma Corrector
Mount: Orion Sirius EQ-G with GoTo
Guiding:  Meade DSI Pro and PHD Guiding
Guide Scope: William Optics ZenithStar 66 SD
Camera: Canon EOS 20D (unmodified)
Special Settings: None
ISO: 400
Exposure: 1 hour - (12 x 300s)
Processing Software: Acquired in Nebulosity with high dithering, Stacked in Deep Sky Stacker (Kappa-Sigma Clipping for all frames), Levels, Curves, Astronomy Tools, Gradient XTerminator and Noise Ninja in Photoshop
Support Files: 24 flats, 24 bias, one dark used as a bad pixel map
See Gallery below for image


Image Gallery For This Session
M31 60min ISO400
   

M31-60min-ISO400.jpg
Click picture above for larger version
If the picture seems too bright or too dark, try adjusting the brightness below.
Brightness:
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Comments:
On 09/11/09 at 12:57am kd7--- mark wrote:
well where do we go to vote on it? i too like it ... and it is a creditable picture...



On 09/02/09 at 01:35pm Barry wrote:
Well, I like it. Especially considering the poor imaging conditions.....moon, haze, etc. I think I prefer your ISO800 shots a little better, but you certainly did pick up some great detail around the core. Sorry about your difficulties with the CCD. I think there is an SBIG out there with your name on it. LOL

On 09/02/09 at 06:44am Dave wrote:
Its a tough one..I did not even try !!



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