NGC 891 - Spiral Galaxy

Andromeda

Spiral Galaxy

NGC 891 - Spiral Galaxy - North is to the left
Date: Oct 17, 2009 Time: 03:30 CST Location: Ft Griffin Tx
Instrument: 253mm f/9 Ritchey Chretien Mount: AP900GTO Guiding: ST-10XME Internal Guider
Extra Hardware: Water Assist Cooling Seeing: Good Transparency: Fair
Camera: SBIG ST-10XME Filter Wheel: CFW-10 Filter: AstroDon LRGB
Exposure: 8 x 600 Seconds LRGB Camera Control: MaximDL 4.11 Processing: CCDStack, PSCS

Image Center: RA 02h 22m 33s, Dec +42d 20m 53s, Pos Angle 204.9 Degrees
Effective Focal Length 2276.7 mm ~ .62" per Pixel
Notes: Calm. Temp ~45 Degrees F. Guiding was ~ .5 arc second
astronomy.com APOD May 10, 2010