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About this Image |
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The famous Andromeda galaxy (M 31) is our nearest large neighbor galaxy, a member of the Local Group of galaxies.
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Optics |
Planewave CDK17 cassegrain at f/6.8 |
Mount | GM2000 GEM |
Camera | SBIG STL-11000M at -20C, internal filter wheel |
Filters | Baader LRGB |
Date | Aug 30, 2008 |
Location | Altaussee/Austria |
Sky Conditions | mag 5.5-6 sky, seeing 2.4 - 3.5", temperature 10 C, |
Exposure |
L:R:G:B= 40:20:20:20 min (10-minute sub-exposures), all 1x1. |
Processing |
Image aquisition in Maxim DL 4.56; Calibration and stacking in CCDStack;
Final processing in Photoshop CS3 |