galaxy

Messier 81(NGC 3031) in Ursa Major05.mar.2008

messier 81 FullResolution

Technical Details

Optics:Intes MK-67 (Maksutov-Cassegrain) @ f⁄9
Mount:Gemini G41 Field version
Camera:SBIG ST-2000XM @ -20°C
Filters:Astronomik LRGB 2c
Date(s):Luminance: 05.mar.2008    RGB: 28.dec.2007
Location:Frankenhardt/Germany
Exposure:LRGB 165:10:10:10 minutes

Messier 81(NGC 3031) in Ursa Major28.dec.2007

messier 81 FullResolution

Technical Details

Optics:Intes MK-67 (Maksutov-Cassegrain) @ f⁄9
Mount:Gemini G41 Field version
Camera:SBIG ST-2000XM @ -20°C
Filters:Astronomik LRGB 2c
Date(s):28.dec.2007
Location:Frankenhardt/Germany
Exposure:LRGB 90:10:10:10 minutes