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Contains:  NGC 3077, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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M81/82----2019, 





    
        

            Bob J
M81/82----2019

M81/82----2019

Technical card

Resolution: 4551x3420

Dates:April 22, 2019April 24, 2019

Frames:
Optolong 2" BLUE: 30x60" (gain: 139.00) -20C bin 1x1
Optolong 2" GREEN: 30x60" (gain: 139.00) -20C bin 1x1
Optolong 2" RED: 30x60" (gain: 139.00) -20C bin 1x1
Optolong 2" UV/IR Cut: 45x90" (gain: 139.00) -20C bin 1x1

Integration: 2.6 hours

Darks: ~30

Flats: ~120

Flat darks: ~30

Bias: ~50

Avg. Moon age: 18.94 days

Avg. Moon phase: 80.85%

Temperature: 10.00

Astrometry.net job: 2661768

RA center: 149.478 degrees

DEC center: 69.217 degrees

Pixel scale: 1.265 arcsec/pixel

Orientation: 357.788 degrees

Field radius: 1.001 degrees

Data source: Backyard

Comments

Author

Space_Oddity
Bob J
License: Attribution-NonCommercial-ShareAlike Creative Commons
3132
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M81/82----2019, 





    
        

            Bob J