The Eagle Nebula in Hydrogen-alpha

Technical Details
Optics:	14" f/10 RCOS Ritchey-Chrétien Cassegrain at f/7.4,Astro-Physics 0.75x Focal Reducer.
Mount:	Takahashi NJP Temma 2.
Camera:	SBIG ST-10XME, CFW8.
Filters:	Custom Scientific 3nm H-alpha.
Dates/Times:	29 May 2003.
Location:	my backyard observatory in Austin, Texas.
Exposure Details:	220 minutes (20-minute sub-exposures).

The Eagle Nebulain Hydrogen-alpha