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Technical card

Resolution: 4796x3035

Dates: April 21, 2017May 17, 2017May 28, 2017

Frames:
160x60" ISO1600 27C
82x60" ISO1600 29C
33x240" ISO400 14C

Integration: 6.2 hours

Darks: ~29

Flats: ~33

Flat darks: ~30

Bias: ~30

Avg. Moon age: 15.48 days

Avg. Moon phase: 37.05%

Bortle Dark-Sky Scale: 5.00

Astrometry.net job: 1599251

RA center: 210.694 degrees

DEC center: 54.375 degrees

Pixel scale: 1.223 arcsec/pixel

Orientation: -88.942 degrees

Field radius: 0.964 degrees

Locations: Idice, Bologna, BO, Italy

Description

a subject we were chasing (failing) for years, finally we decided to devote a few nights on it and we got a satisfying result

Comments

Author

pterodattilo
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M101 at last!, pterodattilo