Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 75  ·  NGC 6864
M75 - Globular Cluster, Derryk
M75 - Globular Cluster
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M75 - Globular Cluster

M75 - Globular Cluster, Derryk
M75 - Globular Cluster
Powered byPixInsight

M75 - Globular Cluster

Equipment

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Acquisition details

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Description

M75 (NGC 6864) is a globular star cluster located in Sagittarius at about 67,000 light-years away and actually on the other side of the Galactic Center. The cluster has a diameter of about 134 light-years.



Taken September 2019 from Campbell, CA, USA. Sky: 18.80 mag/arcsec^2



Total integration: 5 hrs 25 mins (325 mins)



Details, Equipment, & Software:

Telescope: Astro-Tech AT10RCT (FL2000mm f/8)

Camera: SBIG STF-8300m (-10°C)

Filter: Astrodon 36mm RGB

Guide: OAG-8300 with QHY5III174

Focuser: Moonlite CSL w/ high res stepper motor

Mount: Astro-Physics AP1100GTO

Capture: Sequence Generator Pro

Frames:

Astrodon R: 22x300s

Astrodon G: 21x300s

Astrodon B: 22x300s

Stacking/Final Processing: Pixinsight

Comments

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M75 - Globular Cluster, Derryk

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Messier Objects