Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Great Cluster in Hercules  ·  M 13  ·  NGC 6205  ·  NGC 6207
M13 - Great Globular Cluster in Hercules, Derryk
M13 - Great Globular Cluster in Hercules
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M13 - Great Globular Cluster in Hercules

M13 - Great Globular Cluster in Hercules, Derryk
M13 - Great Globular Cluster in Hercules
Powered byPixInsight

M13 - Great Globular Cluster in Hercules

Equipment

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Acquisition details

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Description

Also known as NGC6205, the Great Globular Cluster in Hercules contains about 300,000 stars and is about 145 light-years in diameter.



Taken over multiple nights May 17-21, 2017 from Campbell, CA, USA. Sky: 18.80 mag/arcsec^2



Total integration: 775 mins (12 hrs 55 mins)



Details, Equipment, & Software:

Telescope: Astro-Tech AT65EDQ (FL420mm f/6.5)

Camera: SBIG STF-8300m (-10°C)

Filter: Astrodon 36mm LRGB

Guide: ST80 w/ QHY5L-II

Focuser: Moonlite CF w/ high res stepper motor

Mount: Orion Atlas EQ-G

Capture: Sequence Generator Pro

Frames:

Astrodon L: 65x300s

Astrodon R: 30x300s

Astrodon G: 30x300s

Astrodon B: 30x300s

Stacking/Final Processing: Pixinsight

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M13 - Great Globular Cluster in Hercules, Derryk

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Messier Objects