Celestial hemisphere:  Southern  ·  Constellation: Sagittarius (Sgr)  ·  Contains:  M 20  ·  NGC 6514  ·  Trifid Nebula
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Messier 20 (Trifid Nebula) in SHO palette, Jacob Heppell
Messier 20 (Trifid Nebula) in SHO palette
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Getting plate-solving status, please wait...
Messier 20 (Trifid Nebula) in SHO palette, Jacob Heppell
Messier 20 (Trifid Nebula) in SHO palette
Powered byPixInsight

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Description

The Trifid nebula (Messier 20) in SHO. Previously I made a HaLRGB and SHO-LRGB version of this beautiful nebula. But when attempting to create a pure SHO (Hubble palette) image I wasn't particularly happy with the results when using my usual blending techniques in photoshop. After being told by a mate that Siril (free software) can do pixel math (I thought that was only a PixInsight thing!), I decided to have a go at developing some equations that would hopefully give me the that red/yellow/blue color scheme I aim for. After tinkering on and off for a few days I settled on this image. Definitely has the color scheme I want. Another arrow in the post processing quiver!
Represented in SHO with RGB stars.

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Messier 20 (Trifid Nebula) in SHO palette, Jacob Heppell

In these public groups

Southern Hemisphere Astro