Hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205
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M13 - Globular Cluster in Hercules, 


            David N Kidd
M13 - Globular Cluster in Hercules
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M13 - Globular Cluster in Hercules

Technical card

Imaging telescopes or lenses: Altair Astro 102 F6.5 ED Triplet APO v2.0

Imaging cameras: Atik 314L+

Mounts: HEQ5

Guiding telescopes or lenses: Sky-Watcher SW80

Guiding cameras: QHYCCD QHY5

Software: PHD guiding  ·  photoshop  ·  DeepSkyStacker  ·  Nebulosity

Filters: Baader Planetarium Luminance  ·  RGB

Accessory: Bright Star Astro Quantum Filter Wheel

Dates:July 29, 2012

Frames: 130x60" (2h 10')

Integration: 2h 10'

Avg. Moon age: 10.79 days

Avg. Moon phase: 83.16%

Basic astrometry details

Astrometry.net job: 90850

RA center: 16h41m55s

DEC center: +36°2718

Pixel scale: 2.049 arcsec/pixel

Orientation: 166.014 degrees

Field radius: 0.427 degrees

Resolution: 800x600

Locations: Apartment Verandah, Southampton, None

Data source: Backyard


Messier 13 is sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster. It is a globular cluster of about 300,000 stars in the constellation of Hercules and it is approximately 22,200 light years distant.


Sky plot

Sky plot


M13 - Globular Cluster in Hercules, 


            David N Kidd