Russell Croman Astrophotography  

 

 

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).
Mount:Takahashi NJP Temma 2.
Camera:SBIG ST-10XME, CFW-8.
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.).