NGC 6888

Supernova Remnant in Cygnus

NGC6888

NGC 6888 - Cygnus
Date: Oct 19, 2006 Time: 23:00 CDT Location: Haltom City Tx
Instrument: 253mm f/4 Newtonian Mount: AP1200GTO Guiding: Internal Guide Chip
Extra Hardware: None Seeing: Good Transparency: Fair
Camera: SBIG ST7 Filter Wheel: CFW8 Filter: AstroDon Ha
Exposure: 12 x 600 Seconds Ha Camera Control: MaximDL 4.11 Processing: Gradient Xterminator, PS CS

Image Center: RA 20h 11m 44s, Dec 38d 21m 04s, Pos Angle +86d 53'
Effective Focal Length 1008.2 mm ~ 1.84" per Pixel
Notes: Guided through Ha filter. ~.2 pixel accuracy or sub arcsecond !