Celestial hemisphere:  Northern  ·  Constellation: Ursa Major (UMa)  ·  Contains:  Bode's Galaxy  ·  Cigar Galaxy  ·  M 81  ·  M 82  ·  NGC 3031  ·  NGC 3034
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M81 and M82 from Bortle 9, 



    
        

            Michal Lackovic
M81 and M82 from Bortle 9
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M81 and M82 from Bortle 9

Getting plate-solving status, please wait...
M81 and M82 from Bortle 9, 



    
        

            Michal Lackovic
M81 and M82 from Bortle 9
Powered byPixInsight

M81 and M82 from Bortle 9

Acquisition details

Dates:
May 4, 2021
Frames:
Optolong L-Pro 2": 217×120(7h 14′) (gain: 100.00) -15°C bin 1×1
Integration:
7h 14′
Darks:
60
Avg. Moon age:
22.81 days
Avg. Moon phase:
42.94%
Bortle Dark-Sky Scale:
9.00

Basic astrometry details

Astrometry.net job: 6788785

RA center: 09h55m51s.4

DEC center: +69°2208

Pixel scale: 0.674 arcsec/pixel

Orientation: 268.836 degrees

Field radius: 0.726 degrees

Resolution: 5450x5524

File size: 17.0 MB

Data source: Backyard

Comments

Revisions

  • M81 and M82 from Bortle 9, 



    
        

            Michal Lackovic
    Original
  • Final
    M81 and M82 from Bortle 9, 



    
        

            Michal Lackovic
    C

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Sky plot

Histogram

M81 and M82 from Bortle 9, 



    
        

            Michal Lackovic