M27 - Dumbell Nebula

Vulpecula

Planetary Nebulae

M 27 - Planetary Nebula - North is Up
Date: Aug 07, 2007 Time: 23:30 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 LRGB
Exposure: 3 x 600 Seconds Luminance Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS

Image Center: RA 19h 59m 58s, Dec +22d 44m 35s, Pos Angle -88d 40'
Effective Focal Length 2276.7 mm ~ .82" per Pixel
Notes: Calm. Temp ~75 Degrees F. Guiding was ~ 1 arc second