M 56 - Globular Cluster

Lyra

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Globular Cluster

M 56 - Globular Cluster
Date: Jul 26, 2008 Time: 01:28 CDT Location: Haltom City Texas
Instrument: 253mm f/9 Ritchey Chretien Mount: AP1200GTO Guiding: ST-10XME Internal Guider
Extra Hardware: None Seeing: Good Transparency: Fair
Camera: SBIG ST-10XME Filter Wheel: CFW-10 Filter: AstroDon 6nm L
Exposure: 6 x 600 Seconds Luminance Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS
Image Center: RA 19h 16m 35s, Dec 30d 11m 70s, Pos Angle 311.2 Degrees
Effective Focal Length 2276.7 mm ~ .62" per Pixel
Notes: Calm. Temp ~80 Degrees F. Guiding was ~ .5 arc second