RC-Astro | Globular Cluster M15

Globular Cluster M15

Technical Details
Optics:	14" f/10 RCOS Ritchey-Chrétien Cassegrain at f/7.1,Takahashi FRC-300 focal reducer.
Camera:	SBIG ST-10XME, CFW-8, AO-7.
Mount:	Takahashi NJP Temma 2.
Filters:	SBIG Standard LRGB.
Dates/Times:	25 August 2003.
Location:	my backyard observatory in Austin, Texas.
Exposure Details:	LRGB = 30:10:10:7 minutes (blue interrupted by clouds).