NGC 6866 - Open Cluster


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Open Cluster

NGC 6866 - Open Cluster - North is to the Left
Date: Oct 24, 2007 Time: 23:00 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: 4 x 300 Seconds Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS
Image Center: RA 20h 04m 10s, Dec +44d 11m 06s, Pos Angle 1d 40'
Effective Focal Length 2276.7 mm ~ .82" per Pixel
Notes: Calm. Temp ~50 Degrees F. Guiding was ~ .7 arc second - Full Moon present.