M 33 - Spiral Galaxy

Triangulum

Spiral Galaxy

M 33 - Spiral Galaxy - North is to the left
Date: Oct 19, 2007 Time: 00:30 CST Location: Haltom City Tx
Instrument: 253mm f/9 Ritchey Chretien Mount: AP1200GTO Guiding: STL-Remote with Rogue OAG
Extra Hardware: None Seeing: Good Transparency: Fair
Camera: SBIG STL11K Filter Wheel: Internal Filter: AstroDon Luminance
Exposure: 14 x 600 Seconds Luminance Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS

Image Center: RA 01h 34m 20s, Dec +30d 42m 04s, Pos Angle 1d 40'
Effective Focal Length 2276.7 mm ~ .82" per Pixel
Notes: Calm. Temp ~60 Degrees F. Guiding was ~ .7 arc second