Contains: NGC 5485, NGC 5474, NGC 5473, M 101, NGC 5457, NGC 5443, NGC 5422
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M101

Technical card

Imaging telescope or lens: Astro-Tech AT65EDQ

Imaging camera: Canon EOS M

Mount: Sky-Watcher HEQ5 PRO

Guiding telescope or lens: Skywatcher ST80

Guiding camera: ZWO ASI174MM

Software: Deep Sky StackerGIMP 2.9PHD2 Guiding

Resolution: 5208x3476

Dates: April 6, 2016

Frames: 29x600" ISO3200

Integration: 4.8 hours

Darks: ~8

Bias: ~50

Avg. Moon age: 28.40 days

Avg. Moon phase: 1.44%

Astrometry.net job: 1031355

RA center: 211.058 degrees

DEC center: 54.523 degrees

Pixel scale: 2.090 arcsec/pixel

Orientation: 90.808 degrees

Field radius: 1.818 degrees

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

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Author

Jonathan Edgecombe
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M101, Jonathan Edgecombe