M13 Web.jpg (103932 bytes)

Image Details

OBJECT: M13 Great Cluster in Hercules
DATE IMAGED: May 11 2001
EQUIPMENT USED: 12.5" RCOS @ f/9 ST-8E + CFW-8 AP 1200 GOTO

Exposure Details

LUM:    5 x 300sec R:     3 x 300sec G:     3 x 300 sec B:     3 x 300sec
Notes:
Luminance Images obtained with unbinned pixels, all colour exposures obtained at 2x2 binning,  RGB ratio of 1:1:1.6 set and colour components normalised in Maxim CCD. Processed in Maxim CCD and Photoshop 5.5