ARP 24 - Peculiar Galaxy

Ursa Major

ARP 24

ARP 24 (NGC 3445) - Ursa Major - North is Up
Date: Feb 20, 2007 Time: 21:00 CDT Location: Haltom City Tx
Instrument: 253mm f/6 Newtonian Mount: AP1200GTO Guiding: Internal Guider
Extra Hardware: None Seeing: Fair Transparency: Fair
Camera: SBIG STL1100M Filter Wheel: Internal Filter: AstroDon L
Exposure: 5 x 600 Seconds Ha Camera Control: MaximDL 4.11 Processing: MaximDL, PSCS,Gradient Xterminator

Image Center: RA 10h 55m 05s, Dec +56d 57m 00s, Pos Angle +272.7d'
Effective Focal Length 1754.7 mm ~ 1.06" per Pixel
Notes: Dead Calm. Temp ~35 Degrees F. Guiding was ~ 1 arc second