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NGC7331 / Deer Lick Group

Classification: Sprial Galaxy, NGC7331, Caldwell 30, Herschel H53-1
Constellation: Pegasus (PEG)
Object Location: Ra 22h 37m 52s Dec +34° 30’20” (current)
Size & Distance: 10.8 x 4.3 Apx 40 Million light years.

Date & Location: 07-01/02-2016 Palomar Mountain, CA.
Exposure: LRGB 135,90,90,90 L=27 @ 5min, RGB 9 ea @ 10min.(bin 1x1)
Optics: Telescope Engineering Company APO180FL @ f/7.36 using an Astro-Physics 160FF, F/L 1325mm
Mount: Astro-Physics 1200 GTO / ATS 10x36 pier.
Camera: FLI-MLx694 @-25c / FLI CFW2-7 / FLI-Atlas focuser / Guided by SBIG ST-I / w OAG.
Filters: Astrodon G2 LRGB
Software: MaxImDL 6.10, Photoshop CS5, CCDStack, Topaz Labs, clarity.

Notes: Sky conditions: Above average seeing, calm wind, Temp 68°
Image Field of view is 26 x 32.4 arcmin.
This image was Sky & Telescope / Editor’s-Choice , Nov-7-2016
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Also in the field is NGC7325/26/27/33/35/36/37/38/40, plus many PGC galaxies.

NGC 7331 (also known as Caldwell 30) is a spiral galaxy about 40 million light-years away in the constellation Pegasus. It was discovered by William Herschel in 1784. NGC 7331 is the brightest member of the NGC 7331 Group of galaxies.