NGC 891

Edge on Galaxy in Andromeda

NGC 891

NGC 891 - Andromeda
Date: Oct 20, 2006 Time: 01:30 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 LRGB
Exposure: 3 x 300 Seconds Ha Camera Control: MaximDL 4.11 Processing: Gradient Xterminator, PS CS

Image Center: RA 02h 22m 44s, Dec 42d 20m 41s, Pos Angle +87d 36'
Effective Focal Length 1008.2 mm ~ 1.84" per Pixel
Notes: This object needs considerably more data or darker skies.
But overall tracking was very good, subarcsecond through filters