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Sh2-115 / Abell 71

Classification: Emission Nebula Sh2-115 & Abell 71
Constellation: Cygnus (CYG)
Object Location: Ra 20h 35m 04s Dec +46° 55’49” (current)
Size & Distance: Apx. 30.0 x 20.0 Apx. 7500 light years.

Date & Location: 09-03-2016 Palomar Mountain, CA.
Exposure: Hubble Palette SHO 100,120,100. All subs 20min. (bin 1x1)
Optics: Telescope Engineering Company APO110FL @ f/5.74, 631mm.
Mount: Astro-Physics 1200 GTOCP3 / ATS 10x36 pier.
Camera: FLI-ML16200 C1 @-25c / FLI CFW2-7 / Guided by SBIG ST-I / w OAG.
Filters: Astrodon 50mm 3nm SII, Ha, OIII
Software: MaxImDL 6.10, Photoshop CS5, CCDStack, Topaz Labs.

Notes: Sky conditions: Good seeing, No wind, Temp Low 60’s
Image Field of view is 144 x 115 arcmin.

Sh2-115 is an Emission Nebula in Cygnus, it lies about three and a half degrees NW of the North American Nebula, and at a distance of about 7500 light years. Planetary Nebula Abell 71, or Sh2-116 is to the upper right .