RC-Astro | Open Cluster M46 and Planetary Nebula NGC 2438

Open Cluster M46
and Planetary Nebula NGC 2438

Technical Details
Optics:	14" f/10 RCOS Ritchey-Chrétien Cassegrain,Astro-Physics 0.75x Focal Reducer (yielding f/7.5).
Camera:	SBIG ST-10XME, CFW-8.
Mount:	Takahashi NJP Temma 2.
Filters:	SBIG standard RGB.
Dates/Times:	27 February 2003.
Location:	my backyard observatory in Austin, Texas.
Exposure Details:	LRGB = 10:12:12:16 minutes.
Processing:	MaxImDL (combine), CCDSharp (deconvolution), Photoshop (levels, curves, etc.).