Star Clusters

GLOBULAR STAR CLUSTERS - This is a few of only 150 known star clusters in the Milky Way.

	Object: M13, Globular Cluster in Hercules Info: 30 frames at 60 seconds. dark, flat, aligned stacked, cropped, binned and processed in Registax Scope: Meade 1600mm SCT Camera: Canon T3i at prime focus Date 04/27/2012
	M22. A Globular Cluster in Sagittarius. This picture is a compostie of 10 pictures at 2 minutes each at ISO 800. Image taken on July 2, 2005.
	M11. An Open Cluster. This picture is a composite of 10 pictures at 2 minutes each at ISO 800. Image taken on July 2, 2005.
	Messier 15. A Globular cluster in the constellation Pegasus. This image is a composite of 6 stacked images taken 8/12/04. Each image was 2 minutes in length at ISO 800. Image is cropped, zoomed, and levels adjusted in Images Plus.
	M3 This is an image of Globular Cluster M3. It was taken with a Canon 300D SLR. I stacked 11 images to produce this final picture. Notes: Image date 2/28/04. 11 stacked pictures at ISO 1600, each 30 seconds each. Prime focus 1600mm f/6.3 SCT. ImagePlus used for registering, stacking and levels adjustment. DSLR focus used for focus and alignment.