NGC 281

Cassiopeia

NGC281

NGC 281 - Cassiopeia
Date: Oct 17, 2006 Time: 23:00 CDT Location: Haltom City Tx
Instrument: 253mm f/4 Newtonian Mount: AP1200GTO Guiding: Internal Guide Chip
Extra Hardware: None Seeing: Fair Transparency: Fair
Camera: SBIG ST7 Filter Wheel: CFW8 Filter: AstroDon Ha
Exposure: 36 x 300 Seconds Ha Camera Control: MaximDL 4.11 Processing: Gradient Xterminator, PS CS

Image Center: RA 00h 53m 45.2s, Dec 56d 36m 43s, Pos Angle +88d 02'
Effective Focal Length 1007.5 mm ~ 1.84" per Pixel
Notes: Test Sequence guiding through Ha filter. ~.2 pixel accuracy