Messier 13


The Globular Cluster M13 is one of the most impressive clusters in the Northern hemispere. First discovered by Edmond Halley in 1714, it was cataloged by Charles Messier in 1764. It contains more than 100,000 stars.

M13 is located just over 25,000 light years from earth. The faint galaxy located to the lower left is NGC 6207. There are numerous background galaxies located in this field. Click on the image to see a larger version without the artificial spikes on some of the brighter stars.


Telescope: Astro-Physics 160mm EDF f7.5 @ f7.7 Designation: M13 or NGC 6205
Mount: Astro-Physics AP1200GTO
Constellation: Hercules
Camera: Apogee U16M with Gen II Astrodon Filters Distance: Approx 25,000 Light Years
Guiding: SBIG ST402 via Mini Borg 60mm Type: Globular Cluster
Exposure: 9 hours total rgb Position: R.A. 16 hr 42 min , Dec +360 28'
Processed using CCDStack, PhotoShop CS3 Date: 22 & 23 April 2009
Acquisition: CCDAutopilot/CCDSoft/The Sky 6/M1OASYS Location: Deerlick Astronomy Village