ARP 237 - Irregular Galaxy

Leo

Irregular Galaxy

ARP 237 - Irregular Galaxy
Date: Oct 30 2008 Time: 11:30 CDT Location: Haltom City Tx
Instrument: 253mm f/9 Ritchey Chretien Mount: AP1200GTO Guiding: ST-10XME Internal Guider
Extra Hardware: Water Assist Cooling Seeing: Good Transparency: Good
Camera: SBIG ST-10XME Filter Wheel: CFW-10 Filter: AstroDon 6nm L
Exposure: 18 x 600 Seconds Luminance Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS
Image Center: RA 02h 21m 22s, Dec +39d 21m 32s, Pos Angle 265d
Effective Focal Length 2276.7 mm ~ .62" per Pixel
Notes: Calm. Temp ~50 Degrees F. Guiding was ~ .7 arc second