M108 - Spiral Galaxy in Ursa Major

M108 is a barred spiral galaxy that is viewed nearly edge-on from Earth. It is a member of the Ursa Major cluster of galaxies. The disk is obscured by heavy dust and gas.

This galaxy was discovered by Pierre Mechain in 1781. However, it was not officially added to the Messier catalog until 1953.

Telescope: Orion 10 in. f/4.9 Newtonian w/ Baader coma corrector
Mount: Losmandy G-11 Gemini
Camera: Modified Canon XS (1000D); Raw capture; ISO 1600
Guiding: Orion SSAG on Lumicon 50mm Super Finder
Exposures: 35 @ 3 min. (1.75 hrs.)
Notes:

Images were focused using Live View. The subframes were converted using Canon Photo Professional and then aligned and combined in ImagesPlus. The final image was adjusted and cropped in Photoshop. Topaz DeNoise was applied to reduce noise.


Shot from my backyard observatory in southeast Minnesota on 3/24/12. Outside temp: 50F; Humidity: 95%

   
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