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Contains:  M 13, Great Cluster in Hercules, NGC 6205
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m13 - Hercules Globular Cluster, 


            Mark Cheverton
m13 - Hercules Globular Cluster

m13 - Hercules Globular Cluster

Technical card

Resolution: 4476x3300

Dates:March 31, 2019

ZWO Blue 1.25": 20x60" (gain: 139.00) -20C
ZWO Green 1.25": 20x60" (gain: 139.00) -20C
ZWO Luminance 1.25": 100x30" (gain: 75.00) -20C
ZWO Red 1.25": 20x60" (gain: 139.00) -20C

Integration: 1.8 hours

Avg. Moon age: 25.12 days

Avg. Moon phase: 20.45% job: 2621902

RA center: 250.445 degrees

DEC center: 36.475 degrees

Pixel scale: 0.654 arcsec/pixel

Orientation: 126.586 degrees

Field radius: 0.505 degrees

Locations: Cambridge, Cambridge, United Kingdom

Data source: Backyard


M13 - the Hercules Globular Cluster. 145 light years across, the stars are more than a hundred times denser than in our part of space which would be an amazing night sky! In 1974 the Arecibo space telescope beamed a welcome message to m13 containing information about the human race including our DNA. Given the distance it should arrive in about 22,000 years.



Mark Cheverton
License: None (All rights reserved)

Sky plot

Sky plot


m13 - Hercules Globular Cluster, 


            Mark Cheverton