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Sadr / Butterfly nebula

Classification: Nebula / IC1318 / Gamma Cygnus Nebula
Constellation: Cygnus (CYG)
Object Location: Ra 20h 22m 43s. Dec +40° 18’39” (current)
Size & Distance: 50 x 50 Apx 1550 Light-years

Date & Location: 06-20-2009 Palomar Mountain, CA.
Exposure: Ha 9 @ 10min. (bin 1x1)
Optics: Takahashi FSQ85ED f5.3 450mm.
Mount: Astro-Physics 900 GTO / ATS 10x36 pier.
Camera: SBIG-ST10XME / Guided by TEC-APO140 w/SBIG-RGH
Filters: Astrodon 6nm Ha.
Software: MaxImDL 4.56, Photoshop CS

Notes: Sky conditions: Good seeing, Light wind, Temp 47°
Image Field of view is 76 x 113 arc-min.