Tag Archives: M 13

Globular Cluster M 13

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Messier 13 (M13), also designated NGC 6205 and sometimes called the Great Globular Cluster in Hercules or the Hercules Globular Cluster, is a globular cluster of about 300,000 stars in the constellation of Hercules.

Imaging telescopes or lenses: Astro-Tech AT65EDQ
Imaging cameras: Atik 414EX Mono
Mounts: Celestron AVX
Guiding telescopes or lenses: Astro-Tech AT72ED
Guiding cameras: Orion Star Shoot Autoguider Pro
Software: PixInsight 1.8,  PHD2 Guiding Software
Filters: Baader LRGB 1.25” Filters
Accessories: Atik Manual Filter Wheel
Resolution: 1358×1009
Dates: April 16, 2015
Frames:
Baader Planetarium 1.25″ B: 9×300″ -15C
Baader Planetarium 1.25″ G: 9×300″ -15C
Baader Planetarium 1.25″ R: 9×300″ -15C
Integration: 2.2 hours
Avg. Moon age: 26.34 days
Avg. Moon phase: 11.06%
RA center: 250.440 degrees
DEC center: 36.464 degrees
Orientation: 90.448 degrees
Field radius: 0.739 degrees

Author: Mike Kline

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