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

Technical card

Resolution: 1001x700

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%

Astrometry.net job: 184490

RA center: 148.893 degrees

DEC center: 69.065 degrees

Pixel scale: 1.721 arcsec/pixel

Orientation: -92.931 degrees

Field radius: 0.292 degrees

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
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M81, AstroGG