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Hemisphere:  Northern  ·  Contains:  Great Cluster in Hercules, M 13, NGC 6205, NGC 6207
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M13 - Hercules Cluster, 


            Tyler Jackson Welch
M13 - Hercules Cluster
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M13 - Hercules Cluster

Technical card

Imaging telescopes or lenses: Celestron C8 XLT 2032mm F/10

Imaging cameras: Canon EOS 1100D

Mounts: CGEM

Guiding cameras: ASI120MC

Focal reducers: Celestron 6.3 Focal Reducer

Dates:May 22, 2015

Frames: 17x180" ISO1600

Integration: 0.8 hours

Darks: ~39

Flats: ~60

Bias: ~60

Avg. Moon age: 4.42 days

Avg. Moon phase: 20.53%

Bortle Dark-Sky Scale: 4.00

Basic astrometry details job: 650379

RA center: 16h 41' 52"

DEC center: +36° 31' 55"

Pixel scale: 2.931 arcsec/pixel

Orientation: 81.171 degrees

Field radius: 0.587 degrees

Resolution: 1200x797

Locations: Horicon Marsh Area, Horicon, WI, United States


seeing was bad, had light cloud layers on and off



Tyler Jackson Welch
License: None (All rights reserved)

Sky plot

Sky plot


M13 - Hercules Cluster, 


            Tyler Jackson Welch

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Cloudy Nights