Contains: NGC 3077, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031
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Technical card

Resolution: 5458x3558

Dates: Feb. 3, 2018

Frames:
Baader Planetarium H-a: 7x1200" ISO200
IDAS LPS D1: 9x600" ISO800

Integration: 3.8 hours

Flats: ~30

Bias: ~200

Avg. Moon age: 18.03 days

Avg. Moon phase: 88.41%

Bortle Dark-Sky Scale: 4.50

Mean SQM: 20.50

Astrometry.net job: 1921544

RA center: 148.982 degrees

DEC center: 69.342 degrees

Pixel scale: 1.542 arcsec/pixel

Orientation: 90.859 degrees

Field radius: 1.395 degrees

Locations: Belfast, Belfast, Antrim, United Kingdom

Comments

Author

Ciaran
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Sky plot

Sky plot

Histogram

M81 & M82, 




    

        Ciaran