NGC 6888

Supernova Remnant in Cygnus

NGC6888

NGC 6888 - Crescent Nebula
Date: Nov 17, 2006 Time: 23:00 CDT Location: Haltom City Tx
Instrument: Takahashi FSQ106N Mount: AP900GTO Guiding: SBIG STV - Efinder
Extra Hardware: None Seeing: Good Transparency: Fair
Camera: SBIG ST7 Filter Wheel: CFW8 Filter: AstroDon Ha
Exposure: 2 x 1800 Seconds Ha Camera Control: MaximDL 4.11 Processing: Gradient Xterminator, PS CS

Image Center: RA 20h 11m 58s, Dec 38d 17m 43s, Pos Angle +02d 08'
Effective Focal Length 572.5 mm ~ 3.51" per Pixel