Contains: NGC 7337, NGC 7335, NGC 7331
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NGC 7331 (The Deer Lick Group)

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: 4304x2916

Dates: Sept. 26, 2016

Frames: 75x300" -25C

Integration: 6.2 hours

Avg. Moon age: 25.27 days

Avg. Moon phase: 19.21%

Bortle Dark-Sky Scale: 2.00

Mean SQM: 21.40

Mean FWHM: 2.20

Astrometry.net job: 1369722

RA center: 339.266 degrees

DEC center: 34.417 degrees

Pixel scale: 0.342 arcsec/pixel

Orientation: -179.862 degrees

Field radius: 0.247 degrees

Description

NGC 7331 technical data / Telescope: Newtonian (d=443mm, f=2048mm) / Location: Emberger Alm, Kaernten, Austria / Camera: SBIG ST-10XME with AO-8 and CFW-9 / Exposure: 6.25 hours (luminance 37x5 min. bin 1x1, red 10x5 min. bin 2x2, green 10x5 min. bin 2x2, blue 18x5 min. bin 2x2)

Comments

Author

DetlefHartmann
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NGC 7331 (The Deer Lick Group), DetlefHartmann