M 51 - Spiral Galaxy

Canes Venatici

Spiral Galaxy

M 51 - Spiral Galaxy - North is Up
Date: Apr 7,8 2010 Time: 00:30 CST Location: Haltom City Tx
Instrument: 253mm F/9 Ritchey Chretien Mount: AP1200GTO Guiding: ST10XME, AO8
Extra Hardware: None Seeing: Good Transparency: Good
Camera: SBIG ST10XME Filter Wheel: CFW10 Filter: AstroDon LRGB
Exposure: 24 x 300 Seconds Luminance Camera Control: MaximDL 5.07 Processing: CCD Stack,PSCS2

Image Center: RA 13h 29m 54s, Dec +47d 12m 47s, Pos Angle +89d 26'
Effective Focal Length 2292.4 mm ~ .61" per Pixel
Notes: Calm. Temp ~65 Degrees F. Guiding was ~ 1 arc second