IC5146 - Cocoon Nebula

Cygnus

Nebula

IC5146 - Nebula
Date: Oct 01, 2008 Time: 22:30 CST Location: Haltom City Tx
Instrument: 253mm F/9 Ritchey Chretien Mount: AP1200GTO Guiding: ST-10XME Internal Guider
Extra Hardware: Water Assisted Cooling Seeing: Good Transparency: Fair
Camera: SBIG ST-10XME Filter Wheel: CFW10 Filter: AstroDon Ha
Exposure: 6 x 1800 Seconds Ha Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS

Image Center: RA 21h 53m 24s, Dec +47d 16m 00s, Pos Angle +118.8 Degrees
Effective Focal Length 2276.7 mm ~ .62" per Pixel
Notes: Calm. Temp ~72 Degrees F. Guiding was ~ .5 arc second
Notes: Guided on a Mag 7.0 Guidestar through Ha Filter