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Contains:  M 13, Great Cluster in Hercules, NGC 6205
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M13 - Globular cluster in Hercules, 


            Johan Bakker
M13 - Globular cluster in Hercules

M13 - Globular cluster in Hercules

Technical card

Resolution: 3326x2504

Dates:Aug. 3, 2018

Frames: 24x120"

Integration: 0.8 hours

Avg. Moon age: 20.89 days

Avg. Moon phase: 63.19% job: 2180792

RA center: 250.479 degrees

DEC center: 36.366 degrees

Pixel scale: 1.116 arcsec/pixel

Orientation: 185.040 degrees

Field radius: 0.645 degrees

Data source: Backyard


Used new 36mm RGB filters and the 36mm Baader UHC-S/L filter. The latter unfortunately produces rather large halo's on the brighter stars, but got rid of most of it in post-processing.



Johan Bakker
License: Attribution Creative Commons

Sky plot

Sky plot


M13 - Globular cluster in Hercules, 


            Johan Bakker