B 33 - Dark Nebula

Orion

Click Image for Hi-Res Version

Dark Nebula

B 33 - Dark Nebula - North is to the Left
Date: Oct 19,23 2007 Time: 04:30 CST Location: Haltom City Tx
Instrument: 253mm f/6 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 6nm Ha
Exposure: 8 x 1800 Seconds Ha Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS
Image Center: RA 05h 41m 25s, Dec -02d 26m 11s, Pos Angle 1d 40'
Effective Focal Length 2276.7 mm ~ .82" per Pixel
Notes: Calm. Temp ~50 Degrees F. Guiding was ~ .7 arc second - Almost Full Moon present.