Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  Hercules Globular Cluster  ·  M 13  ·  NGC 6205
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M13 Globular Cluster, Benjamin Law
M13 Globular Cluster
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M13 Globular Cluster

Getting plate-solving status, please wait...
M13 Globular Cluster, Benjamin Law
M13 Globular Cluster
Powered byPixInsight

M13 Globular Cluster

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Acquisition details

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Description

I rarely finish taking data of a target in 1 single night, but this one is good enough for me. M13 in HDR

In order to take care of the bright core and surrounding dimmer star fields, Multiple exposures are used and combined in this final photo, it is much better than any of my previous M13 pictures. 

M13 is about 22000 light years away and 145 light years across, with more than half a million stars bounded by gravity. 

Scope: Explore Scientific ES208CF (8" f/4 Newtonian)
Camera: ASI294MM-Pro
Filters: LRGB
Exposures (L): 5s x105; 15sx53; 30sx144
Exposures (RGB): 30sx80 each
~3.6 hours in total

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M13 Globular Cluster, Benjamin Law