Russell Croman Astrophotography  

 

 

The Dumbbell Nebula
in Hydrogen-alpha


 

Technical Details

Optics:14" f/10 RCOS Ritchey-Chrétien Cassegrain.
Mount:Takahashi NJP Temma 2.
Camera:SBIG ST-10XME, CFW-8.
Filters:Custom Scientific 3nm H-alpha.
Dates/Times:14 July 2003.
Location:my backyard observatory in Austin, Texas.
Exposure Details:200 minutes.