Contains: NGC 7337, NGC 7335, NGC 7331, NGC 7320, NGC 7319, NGC 7318, Stephan's Quintet, NGC 7317
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NGC7331 & Quinteto de Stephan

Technical card

Resolution: 4527x3299

Dates: Sept. 23, 2017

Frames: Baader Luminance 36mm: 55x300" -20C bin 1x1

Integration: 4.6 hours

Darks: ~50

Flats: ~40

Bias: ~200

Avg. Moon age: 3.21 days

Avg. Moon phase: 11.22%

Astrometry.net job: 1744995

RA center: 339.113 degrees

DEC center: 34.203 degrees

Pixel scale: 0.764 arcsec/pixel

Orientation: 33.645 degrees

Field radius: 0.594 degrees

Locations: Calar Alto, Gérgal, Almería, Spain

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Author

José Fco. del Agu...
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NGC7331 & Quinteto de Stephan, José Fco. del Aguila (daguila)