Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's nebulae  ·  M 81  ·  NGC 3031
M 81 - Bode's Galaxy, 



    
        

            Ray Ellersick
M 81 - Bode's Galaxy
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M 81 - Bode's Galaxy

Equipment

Imaging Telescopes Or Lenses
Celestron EdgeHD 1100
Imaging Cameras
SBIG STT-8300M
Mounts
CGEM
Filters
R (BaaderPlanetariun CCD-Filter R) · B (BaaderPlanetariun CCD-Filter B) · G (BaaderPlanetariun CCD-Filter G)
Software
Nebulosity
Guiding Cameras
SBIG STT-8300M

Acquisition details

Dates:
Jan. 24, 2014
Frames:
Baader Planetariun CCD-Filter B: 5x360" (30') -25°C bin 1x1
Baader Planetariun CCD-Filter G: 5x360" (30') -25°C bin 1x1
Baader Planetariun CCD-Filter R: 7x360" (42') -25°C bin 1x1
Integration:
1h 42'
Avg. Moon age:
22.44 days
Avg. Moon phase:
46.94%

Basic astrometry details

Astrometry.net job: 173444

RA center: 09h55m35s.3

DEC center: +69°0321

Pixel scale: 0.414 arcsec/pixel

Orientation: -137.009 degrees

Field radius: 0.216 degrees

Resolution: 620x472

Locations: Coyote Lake Regional Park, Gilroy, CA, United States

Description

Nearby galaxy (well, it's about 12 million light years, but that's pretty close as these things go) located in the constellation Ursa Major. It's about 70,000 light years across and is somewhat bigger than the Milky Way.

Comments

Sky plot

Sky plot

Histogram

M 81 - Bode's Galaxy, 



    
        

            Ray Ellersick