NGC7331 - Spiral Galaxy

Pegasus

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Spiral Galaxy

NGC7331 - Spiral Galaxy
Date: Sep 07, 2008 Time: 02:30 CST Location: Haltom City Tx
Instrument: 253mm F/9 Ritchey Chretien Mount: AP1200GTO Guiding: ST-10XME Internal Guider
Extra Hardware: Water Assist Cooling Seeing: Good Transparency: Fair
Camera: SBIG ST-10XME Filter Wheel: CFW10 Filter: AstroDon L
Exposure: 10 x 600 Seconds Luminance Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS
Image Center: RA 22h 37m 05s, Dec +34d 25m 13s, Pos Angle +261.4 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 9.5 star. Also visible: NGC7337, NGC7335