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M31 Andromeda Galaxy




Scope: Megrez II 80 mm at f/5.5; Location: Laguna Mountains, CA;  29 September, 2008; Camera: Canon XT 350D (Baader ACF modified)

Exposure: 16 x 5 min (no filters) ISO 800, 9 Darks, no Flats 

Processing: Images were captured with DSLR Focus  and saved as RAW file format. Images were decoded and dark corrected in IRIS. Images were aligned and stacked in IRIS with Sigma Median. Dark point equalization and rough color balance  were done in IRIS. Color saturation, and gamma adjustments also done in Iris. Image was saved as Tiff. Final stretching and touch up was done in PhotoShop.  Final Image size is approximately 3446x2297

North is to the right in this image (Classical M31 orientation). The image was taken with fairly good conditions at a dark site. This is a guided image. M31 is a prominent member of the local galaxy group including our Milky Way galaxy and M33 Triangulum galaxy. M31 is the nearest large galaxy at a distance of about 2.9 million light years. This image also shows M110 and M32 smaller "satellite"  galaxies. An earlier CCD image of M31 can be seen here. Horizontal FOV is 188'

Object Center is approximately - Equatorial 2000: RA: 00h 42m 44s Dec: +4116'08"

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All images and content remain the property of Jim Thommes - copyright 2003 - 2012

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