Object Data
Catalog : M 81
Type : Spiralgalaxy
Size : 27´x14´
Mag : 7 m
Constellation : Ursa Major
Distance : 11,2 million ly
Exposure Data
Date : 2007-03-12 UT 20:10
Location : Latidude 52°54´25“ Longitude 8°44´ 24“
Telescope : SuperApo 130 Astreya f/7 with Televue Reducer x0.8
Mount : CGE Celestron
Camera : ST2000XM SBIG
Binning : 1x
Exposuretime : L:3 x 480sec; R+G+B 1x480sec
Prossesing : MaxIm DL; Adobe Photoshop