Hemisphere:  Northern  ·  Contains:  Hercules Globular Cluster  ·  Hercules globular cluster  ·  IC4617  ·  M 13  ·  M13  ·  NGC 6205  ·  NGC 6207  ·  NGC6207
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m13 great globular cluster in hercules, 


            John Mart
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m13 great globular cluster in hercules

Imaging telescopes or lenses: Explorer Scientific ED102

Imaging cameras: Canon EOS 600D T3i

Mounts: SkyWatcher EQ6-R Pro

Guiding telescopes or lenses: ZWO 60/280 Guiderscope

Guiding cameras: ZWO 290MM mini

Focal reducers: Stellarvue SFFR102-2 field flattener and 0.8x reducer

Software: PinInsight 1.8  ·  SGP  ·  PHD 2

Filters: Optolong L-Pro 2"

Accessory: ZWO EAF Electronic Auto Focuser  ·  Pegasus Astro Pocket Power Box  ·  Startech Industrial USB3 Hub  ·  QHY PoleMaster PoleMaster

Dates:June 20, 2020

Frames: 10x30"

Integration: 0.1 hours

Avg. Moon age: 28.77 days

Avg. Moon phase: 0.66%

Astrometry.net job: 3889380

RA center: 16h 41' 41"

DEC center: +36° 27' 17"

Pixel scale: 1.552 arcsec/pixel

Orientation: -92.405 degrees

Field radius: 0.780 degrees

Resolution: 2970x2064

Locations: Home observatory, Atlanta, Georgia, United States

Data source: Backyard


I took a short series of M13 earlier this summer. finally got around to processing the data.



John Mart
License: None (All rights reserved)

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m13 great globular cluster in hercules, 


            John Mart