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



    
        

            jreese
M81
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M81

Technical card

Imaging telescopes or lenses: ED80

Imaging cameras: Atik 428EX Mono

Mounts: Orion Sirius EQ-G

Guiding telescopes or lenses: Orion USA 50mm Finder / Guider

Guiding cameras: Orion StarShoot AutoGuider

Software: EQMOD  ·  PHD guiding  ·  Cartes du Ciel  ·  Nebulosity  ·  PixInsight

Filters: Baader L  ·  Baader B  ·  Baader G  ·  Baader R

Accessory: Xagyl Comm 1.25" Ultra-Thin Filter Wheel


Dates:Feb. 22, 2014Feb. 28, 2014March 3, 2014

Frames:
Baader B: 10x600" -10C bin 2x2
Baader G: 10x600" -10C bin 2x2
Baader L: 45x600" -10C bin 1x1
Baader R: 10x600" -10C bin 2x2

Integration: 12.5 hours

Avg. Moon age: 17.63 days

Avg. Moon phase: 19.89%


Basic astrometry details

Astrometry.net job: 197241

RA center: 9h 55' 40"

DEC center: +69° 3' 43"

Pixel scale: 1.564 arcsec/pixel

Orientation: -122.986 degrees

Field radius: 0.488 degrees


Resolution: 620x431

Description

Messier 81 (also known as NGC 3031 or Bode's Galaxy) is a spiral galaxy about 12 million light-years away in the constellation Ursa Major.

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jreese
jreese
License: None (All rights reserved)
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M81, 



    
        

            jreese