Hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  M 81  ·  NGC 3031
M81, 



    
        

            Kathy Walker
M81
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M81

M81, 



    
        

            Kathy Walker
M81
Powered byPixInsight

M81

Equipment

Imaging Telescopes Or Lenses
Orion 200mm f/4 Newtonian astrograph
Imaging Cameras
Atik 383L+ mono
Mounts
CEM60
Filters
Astrodon LRGB
Accessories
TeleVue Paracorr Type 2
Guiding Telescopes Or Lenses
KW Telescopes KWIQ Guider
Guiding Cameras
QHY5

Acquisition details

Dates:
May 20, 2017 ·  June 23, 2017
Frames:
Astrodon LRGB: 8x300" (40') bin 1x1
Astrodon LRGB: 24x120" (48') bin 2x2
Integration:
1h 28'
Avg. Moon age:
26.21 days
Avg. Moon phase:
17.64%

Basic astrometry details

Astrometry.net job: 3527323

RA center: 09h55m41s.5

DEC center: +69°0444

Pixel scale: 1.202 arcsec/pixel

Orientation: 171.017 degrees

Field radius: 0.596 degrees

Resolution: 2805x2205

Locations: Hall's Harbour Observatory (H2O), Hall's Harbour, NS, Canada

Data source: Backyard

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M81, 



    
        

            Kathy Walker