Target: Messier 69 or NGC 6637 Date: 2012-10-09 Time: 11:46 to 11:55 Telescope: CDK20S Camera: Apogee U16M Filters: UBVRI Exposure time: 100 seconds per filter summed 3x for equivalent 300 seconds 900 seconds total exposure in all filters Observer: Rhodes Hart Processing: John Kielkopf AstroImageJ to align and sum each filter, align an RGB stack, square root mapping, composite color