M27 - Dumbell Nebula


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Planetary Nebulae

M 27 - Planetary Nebula - North is Up
Date: Aug 07,08, 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 LHaRGB
Exposure: 5 x 600 Seconds LHaRGB 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 ~80 Degrees F. Guiding was ~ .5 arc second
Ha Data combined with Luminance and Red Data before color Stack