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Great Cluster in Hercules
Messier Catalogue # 13

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DESCRIPTION
M13 is one of the most prominent and best known globular clusters. Visible with binoculars in the constellation of Hercules, M13 is frequently one of the first objects found by curious sky gazers seeking celestials wonders beyond normal human vision. M13 is a colossal home to over 100,000 stars, spans over 150 light years across, lies over 20,000 light years distant, and is over 12 billion years old.


Constellation: Hercules - Distance: 25,100 Million Light Years
RA: 16h 41m 50s - DEC: +36d 27m 49s - Magnitude: 5.90 - Apparent Size: 20'
Date Taken: 6-01-05
Telescope: Celestron C11
Camera: SBIG ST10XME
Mount: Astro-Physics AP900GTO
Filters: Astrodon CRGB
Guider: Self Guided

L 12 X 300 sec @ 1x1
R 7 X 300 sec @ 1x1
G 7 X 300 sec @ 1x1
B 7 X 300 sec @ 1x1

Image Aquired with CCDAutoPilot
Processed with CCDStack and Photoshop CS2