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Contains:  Bode's nebulae, M 81, NGC 3031
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M 81, 



    
        

            Walter Gröning
M 81
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M 81

Technical card

Imaging telescope or lens:Selbstbaunewton 300/1500

Imaging camera:Canon 1100Da

Mount:ALT-6

Guiding telescope or lens:Sucher 8x50

Guiding camera:QHY5L-II-C QHY5L II Color

Focal reducer:TeleVue Paracorr

Software:Adobe Photoshop CS4DeepSky Stacker 3.3.4 DSS 3.3.4


Dates:Feb. 22, 2015

Frames: 20x180"

Integration: 1.0 hours

Avg. Moon age: 4.02 days

Avg. Moon phase: 17.17%


Basic astrometry details

Astrometry.net job: 555962

RA center: 9h 55' 32"

DEC center: +69° 3' 54"

Pixel scale: 0.972 arcsec/pixel

Orientation: 177.061 degrees

Field radius: 0.319 degrees


Resolution: 1600x1737

Locations: Sternenwelt Vogelsberg, Stumpertenrod, Feldatal, Hessen, Germany

Comments

Author

astrowaller
Walter Gröning
License: None (All rights reserved)
2182
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M 81, 



    
        

            Walter Gröning