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Contains:  Bode's nebulae, M 81, NGC 3031
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M81, 



    
        

            AstroGG
M81
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M81

Technical card


Dates:Jan. 18, 2012Feb. 10, 2013Feb. 8, 2014

Frames:
48x300" bin 1x1
Baader Planetarium H-Alpha Filter: 22x600" bin 2x2
L: 18x600" bin 2x2

Integration: 10.7 hours

Avg. Moon age: 11.19 days

Avg. Moon phase: 31.04%


Basic astrometry details

Astrometry.net job: 184490

RA center: 9h 55' 34"

DEC center: +69° 3' 54"

Pixel scale: 1.721 arcsec/pixel

Orientation: -92.931 degrees

Field radius: 0.292 degrees


Resolution: 1001x700

Description

4 h color data with QHY8L at f/10.
3 h luminance data with SXVR-H18 at f/10.
3,7 h H-alpha data with SXVR-H18 at f/7.

Comments

Author

AstroGG
AstroGG
License: Attribution-NonCommercial-ShareAlike Creative Commons
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M81, 



    
        

            AstroGG