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 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


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)




Sky plot

Sky plot


NGC 7331 (The Deer Lick Group), DetlefHartmann