Date: 12/23, 30//2012
Descripiton: IC 1795 / NGC 896 is an emission nebula in the constellation Cassiopeia. A star forming region, the intense red color comes from hydrogen photon emissions. Also visible in this nebula are dark lanes of obscuring dust. The nebula is approximately 6000 light years distant. The brighter region of the nebula is also labeled NGC 896. This nebula is a part of a much larger complex of nebulosity including the Heart Nebula (IC 1805)
Sky Conditions:
Clear sky, medium - urban light pollution (wanning 3/4 moon), windy conditions (15 mph gusts)
FWHM: 2.5 - 3.5 arc sec/pixel
Imaging:
Exposure: 285 min (H-alpha, 20 x15min) at 2x2 bin using h-alpha filter
Guiding: 15 sec at 2x2 bin using NOAG
Equipment:
SBIG STF8300M CCD (RGB filters)
AT10RC at F8
Starlight Focuser
NOAG w/SBIG ST-i guide camera
AP1200 mount
SW:
Maxim DL V5, FocusMax, Robofocus, AP ASCOM V2, SkyX, Photoshop CS4 (using Astro-Tools deep space noise reduction) - calibration with darks, flats, bias