M 104 - Spiral Galaxy

Virgo

Spiral Galaxy

M 104 - Spiral Galaxy
Date: Apr 20 2009 Time: 23:30 CST Location: Fort Griffin, Tx
Instrument: 253mm f/9 Ritchey Chretien Mount: AP900GTO Guiding: ST-10XME Internal Guider
Extra Hardware: Instrument Rotator Seeing: Good Transparency: Good
Camera: SBIG ST-10XME Filter Wheel: CFW-10 Filter: AstroDon L
Exposure: 8 x 600 Seconds L Camera Control: MaximDL 4.11 Processing: MaximDL,Sigma-Reject, PSCS

Image Center: RA 12h 40m 30s, Dec -11d 40m 39s, Pos Angle 146.2d
Effective Focal Length 2276.7 mm ~ .62" per Pixel
Notes: Calm. Temp ~45 Degrees F. Guiding was ~ .7 arc second
astronomy.fm APOD Jun 06, 2010