Contains: NGC 3077, M 82, NGC 3034, M 81, Bode's nebulae, NGC 3031, NGC 2976
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M81 & M82

Technical card

Imaging telescope or lens: Astro-Tech AT65EDQ

Imaging camera: DIY Cam84 v41

Mount: Sky-Watcher HEQ5 PRO

Guiding telescope or lens: Skywatcher ST80

Guiding camera: ZWO ASI174MM

Software: Deep Sky StackerGIMP 2.9PHD2 Guiding

Resolution: 2996x1890

Dates: Jan. 4, 2017

Frames: 27x600"

Integration: 4.5 hours

Avg. Moon age: 6.02 days

Avg. Moon phase: 35.73%

Astrometry.net job: 1399208

RA center: 148.894 degrees

DEC center: 69.377 degrees

Pixel scale: 3.800 arcsec/pixel

Orientation: -89.187 degrees

Field radius: 1.870 degrees

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

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Author

Jonathan Edgecombe
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M81 & M82, Jonathan Edgecombe