Celestial hemisphere:  Northern  ·  Constellation: Triangulum (Tri)  ·  Contains:  M 33  ·  NGC 598  ·  Triangulum galaxy
M33 in CLS-RGB, Marc Agostini
M33 in CLS-RGB
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M33 in CLS-RGB

M33 in CLS-RGB, Marc Agostini
M33 in CLS-RGB
Powered byPixInsight

M33 in CLS-RGB

Equipment

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Acquisition details

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Description

This is my biggest project so far, and my very first LRGB processed galaxy; In the very few clear nights I had this autumn I pointed my little Mount and Scope to M33.

As Luminance I used an Altair CLS-CCD Filter which worked perfectly for M33 as it transmits far into the blue light for the spiral arms but still manages to pull forward the Ha-Regions. I was really amazed by all the red details that I could see.

As for processing, I combined the RGB data into a chrominance layer and a synthetic luminance master. I built a luminance layer from the master and the CLS data and combined it with the chrominance layer.

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Histogram

M33 in CLS-RGB, Marc Agostini