M 13 - Globular Cluster

Hercules

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Globular Cluster

M 13 - Globular Cluster - North is Up
Date: Jun 18,19 2010 Time: 00:30 CDT Location: Haltom City Tx
Instrument: 253mm F/9 Ritchey Chretien Mount: AP1200GTO Guiding: ST10XME/AO8
Extra Hardware: MOAG Seeing: Good Transparency: Good
Camera: SBIG ST10XME Filter Wheel: CFW10 Filter: AstroDon LRGB
Exposure: 20 x 300 Seconds LRGB Camera Control: MaximDL 5.07 Processing: CCD Stack,PSCS2
Image Center: RA 16h 41m 41s, Dec +36d 27m 39s, Pos Angle +234d 45'
Effective Focal Length 2292.4 mm ~ .61" per Pixel
Notes: Breezy. Temp ~75 Degrees F. Guiding was ~ 1 arc second