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Contains:  M 81, Bode's nebulae, NGC 3031
Getting plate-solving status, please wait...
Messier 81, 





    
        

            Peter Goodhew
Messier 81

Messier 81

Technical card

Resolution: 4075x2729

Dates:Jan. 25, 2017

Frames:
Astrodon 5nm H-Alpha filter: 5x1800" bin 1x1
Astrodon Blue: 14x300" bin 1x1
Astrodon Green: 14x300" bin 1x1
Astrodon Lum: 30x300" bin 1x1
Astrodon Red: 14x300" bin 1x1

Integration: 8.5 hours

Avg. Moon age: 27.13 days

Avg. Moon phase: 6.36%

Astrometry.net job: 2455507

RA center: 148.847 degrees

DEC center: 69.070 degrees

Pixel scale: 0.534 arcsec/pixel

Orientation: 268.246 degrees

Field radius: 0.363 degrees

Locations: e-Eye, Fregenal de la Sierra, Extramadura, Spain

Data source: Own remote observatory

Remote source: IC Astronomy Observatories

Comments

Author

PeterGoodhew
Peter Goodhew
License: None (All rights reserved)
3610
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Revisions

  • Messier 81, 





    
        

            Peter Goodhew
    Original
  • Final
    Messier 81, 





    
        

            Peter Goodhew
    B

B

Increased saturation

Sky plot

Sky plot

Histogram

Messier 81, 





    
        

            Peter Goodhew