Celestial hemisphere:  Northern  ·  Constellation: Hercules (Her)  ·  Contains:  HD150679  ·  HD150998  ·  Hercules Globular Cluster  ·  IC 4617  ·  M 13  ·  NGC 6205  ·  NGC 6207
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M13 Hercules Cluster, Woodbine
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M13 Hercules Cluster

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M13 Hercules Cluster, Woodbine
Powered byPixInsight

M13 Hercules Cluster

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Description

This was taken on a night of exceptional seeing for my location, but unfortunately my PC rebooted to install updates (I thought I'd disabled them ) just after I went to bed. So I was only able to capture around 30 minutes of data. I wasn't expecting that to be too much of a problem, given that I was basically imaging stars. However, it was then not really possible to de-noise the image much without introducing artifacts.

My first attempt at processing was also a learning experience, as many stars in the core looked like donuts with dark cores. I managed to fix those on my second attempt, although I now need to learn more about the pixel rejection parameters in PI image integration as, if I'm honest, I don't really understand what I'm doing yet.

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M13 Hercules Cluster, Woodbine

In these public groups

Trevinca Skies