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Crescent Nebula

When massive stars start nearing the final phases of their life, they become red supergiants (depending on their mass). The Crescent Nebula is composed by an outer shell of slow stellar wind that was emitted when the WR 136 star became a red supergiant containing its current fast moving stellar wind. It is amazing how these objects can represent such tremendous events of nature and at the same time look as pretty as they do.

 

Tecnhical information

Omegon 600/154 pro astrograph

Omegon coma corrector for astrographs

ZWO ASI183MC pro + ASI183MM pro cameras

iOptron GEM28 mount

Guided with the ASI120MM mini

500x120s at Gain 111

Optolong l-extreme filter (ASI183MM pro)

120x120s at Gain 111

Optolong l-extreme filter (ASI183MC pro)

20x30s Luminance filter (ASI183MC pro) for star colors

Processing was done in Affinity photo, Siril, Lightroom Classic and VanceAI denoiser.

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Uploaded on September 1, 2022