M 81 / 82
 

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