Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  Great Nebula in Orion  ·  M 42  ·  M 43  ·  NGC 1973  ·  NGC 1975  ·  NGC 1976  ·  NGC 1977  ·  NGC 1980  ·  NGC 1982  ·  The star 42Ori  ·  The star 45Ori  ·  The star θ1Ori  ·  The star θ2Ori  ·  The star ιOri
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M42_Orion_Nebula, Didier FOURNIL
M42_Orion_Nebula
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M42_Orion_Nebula

Getting plate-solving status, please wait...
M42_Orion_Nebula, Didier FOURNIL
M42_Orion_Nebula
Powered byPixInsight

M42_Orion_Nebula

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Description

About It:

Orion Nebula is located at a distance of 1,344 light years and is the closest region of massive star formation of Earth...

It has revealed much about the process of how stars and planetary systems are formed from collapsing clouds of gas and dust. Astronomers have directly observed protoplanetary disks, brown dwarfs, intense and turbulent motions of gas, and the photo-ionizing effects of massive nearby stars in the nebula...

The Orion Nebula contains a very young open cluster, known as the Trapezium due to the asterism of its primary four stars.

Observers have long noted a distinctive greenish tint to the nebula, in addition to regions of red and of blue-violet. There was some speculation that the line were caused by a new element, and the name "nebulium" was coined for this mysterious material.

Nowadays, we do know that this amazing tint is due to a low-probability electron transition in doubly ionized oxygen, a so-called "forbidden transition"

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Technicals references:

Acquisition: PRISM V10

Preprocessing: DeepSkyStacker

Processing: Photoshop CS6

Done in collaboration with Jérome Etivant, Dominique Dazun and Yves Tichené...

More Détails on my Blog: astrocoach60.blogspot.fr

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M42_Orion_Nebula, Didier FOURNIL