RC-Astro | Globular Cluster M2

Globular Cluster M2

Technical Details
Optics:	20" f/8 RCOS Ritchey-Chrétien Cassegrain
Camera:	SBIG ST-10XME, CFW-8, AO-7.
Mount:	Takahashi NJP Temma 2.
Filters:	SBIG Standard LRGB.
Dates/Times:	28, 30 September 2003.
Location:	my backyard observatory in Austin, Texas.
Exposure Details:	LRGB = 60:10:10:14 minutes.