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Contains:  NGC 6207, M 13, Great Cluster in Hercules, NGC 6205
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Great Globular Cluster in Hercules (M13), 


            Robert Engberg
Great Globular Cluster in Hercules (M13)

Great Globular Cluster in Hercules (M13)

Technical card

Resolution: 6024x4022

Dates:April 21, 2018

Frames: 120x28"

Integration: 0.9 hours

Avg. Moon age: 5.86 days

Avg. Moon phase: 34.10% job: 2027702

RA center: 250.421 degrees

DEC center: 36.468 degrees

Pixel scale: 1.310 arcsec/pixel

Orientation: 90.566 degrees

Field radius: 1.318 degrees

Locations: Big Sand Lake, Siren, Wisconsin, United States

Data source: Backyard


First time out in a long while! 120 frames with the Tamron 150-600mm on the Canon 80D.



Robert Engberg
License: Attribution Creative Commons

Sky plot

Sky plot


Great Globular Cluster in Hercules (M13), 


            Robert Engberg

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Camera Lens Astrophotography