RC-Astro | The Double Cluster in Perseus

The Double Cluster in Perseus

Technical Details
Optics:	14" f/10 RCOS Ritchey-Chrétien Cassegrain
Camera:	STL-11000M.
Mount:	Astro-Physics AP1200GTO.
Filters:	SBIG standard RGB.
Dates/Times:	16 December 2003.
Location:	my backyard observatory in Austin, Texas.
Exposure Details:	RGB = 12:12:12 minutes (2-minute individual exposures)
Processing:	This is a three frame mosaic.