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Contains:  M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M81 & M82, 





    
        

            Jonathan Edgecombe
M81 & M82

M81 & M82

Technical card

Imaging telescope or lens:Astro-Tech AT65EDQ

Imaging camera:ZWO ASI174MM

Mount:Sky-Watcher HEQ5 PRO

Guiding telescope or lens:Skywatcher ST80

Guiding camera:ZWO ASI034MC

Focal reducer:Tele Vue NPR-1073 0.8x Reducer

Software:Deep Sky StackerGIMP 2.9PHD2 Guiding

Filters:ZWO B 1.25"ZWO G 1.25"ZWO R 1.25"ZWO L 1.25"

Resolution: 1845x1038

Dates:Feb. 5, 2017

Frames:
ZWO B 1.25": 60x60" (gain: 180.00)
ZWO G 1.25": 58x60" (gain: 180.00)
ZWO L 1.25": 84x60" (gain: 180.00)
ZWO R 1.25": 56x60" (gain: 180.00)

Integration: 4.3 hours

Darks: ~10

Flats: ~100

Flat darks: ~100

Avg. Moon age: 8.81 days

Avg. Moon phase: 65.00%

Bortle Dark-Sky Scale: 4.00

Astrometry.net job: 1438045

RA center: 148.884 degrees

DEC center: 69.370 degrees

Pixel scale: 3.549 arcsec/pixel

Orientation: -91.880 degrees

Field radius: 1.043 degrees

Locations: Home, Stanford in the Vale, Oxfordshire, United Kingdom

Comments

Author

Jonneh
Jonathan Edgecombe
License: Attribution-ShareAlike Creative Commons
1970
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Revisions

  • M81 & M82, 





    
        

            Jonathan Edgecombe
    Original
  • Final
    M81 & M82, 





    
        

            Jonathan Edgecombe
    B

Sky plot

Sky plot

Histogram

M81 & M82, 





    
        

            Jonathan Edgecombe