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Messier 53

Contains: Extremely wide field

Technical card

Resolution: 3426x2267

Dates: March 28, 2017April 17, 2017April 18, 2017April 19, 2017April 20, 2017April 29, 2017

Frames:
6x180" ISO1600
7x240" ISO1600
10x60" ISO1600

Integration: 0.9 hours

Bias: ~53

Avg. Moon age: 19.59 days

Avg. Moon phase: 40.60%

Astrometry.net job: 1559618

RA center: 198.246 degrees

DEC center: 18.134 degrees

Pixel scale: 5.455 arcsec/pixel

Orientation: 177.065 degrees

Field radius: 3.113 degrees

Description

lens @ f/4
Most of the subs were obtained at several nights through gaps between clouds
Version C: additional lights 10x1min + 2x4min,
cropped edition

Comments

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AC1000
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Messier 53, AC1000