Image of the day 10/01/2012

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NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C (Stephan's Quintet)

Technical card

Imaging telescope or lens: Selfmade 443/2048 Newtonian f4.6

Imaging camera: SBIG ST-10 XME

Mount: Sideres85

Software: PixInsight

Filter: SBIG CFW-9

Accessories: Baader RCC-1 Coma CorrectorSBIG AO-8

Resolution: 4284x2846

Dates: Sept. 15, 2012

Frames: 144x300" -25C

Integration: 12.0 hours

Avg. Moon age: 28.35 days

Avg. Moon phase: 1.57%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.40

Mean FWHM: 2.40

Astrometry.net job: 84818

RA center: 339.009 degrees

DEC center: 33.963 degrees

Pixel scale: 0.342 arcsec/pixel

Orientation: -179.922 degrees

Field radius: 0.245 degrees

Description

NGC7317-7320C technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 12 hours (luminance 72x5 min. bin 1x1, red 18x5 min. bin 2x2, green 19x5 min. bin 2x2, blue 35x5 min. bin 2x2)

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Author

DetlefHartmann
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NGC 7317, NGC 7318A, NGC 7318B, NGC 7319, NGC 7320C (Stephan's Quintet), DetlefHartmann