Celestial hemisphere:  Southern  ·  Constellation: Orion (Ori)  ·  Contains:  41 the01 Ori  ·  42 c Ori  ·  43 the02 Ori  ·  44 iot Ori  ·  45 Ori  ·  Great Orion Nebula  ·  HD36629  ·  HD36655  ·  HD36671  ·  HD36782  ·  HD36843  ·  HD36865  ·  HD36917  ·  HD36918  ·  HD36938  ·  HD36958  ·  HD36959  ·  HD36960  ·  HD36981  ·  HD36982  ·  HD36998  ·  HD36999  ·  HD37000  ·  HD37017  ·  HD37025  ·  HD37042  ·  HD37058  ·  HD37061  ·  HD37062  ·  HD37115  ·  And 25 more.
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M42 and Running Man, mirko tondinelli
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M42 and Running Man

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M42 and Running Man, mirko tondinelli
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M42 and Running Man

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M42 and the 1977 Nebula.  NGC 1977 also known as 'Running Man Nebula' is located in the constellation of Orion. The nebula has a dual aspect, reflection and emission. The blue component is produced by the light scattered by the dust, while the red component is caused by the ionization of the hydrogen atoms by the ultraviolet radiation emitted by the young stars present in the region.  The Orion Nebula is one of the brightest diffuse nebulae in the night sky. Clearly recognizable to the naked eye as an object of a non-stellar nature, it is located south of the famous asterism of the Orion Belt, at the center of the so-called Sword of Orion, in the constellation of the same name. Composition in Ha / RGB, light shot with w.o. gt 81 reduced to 383mm (this is a crop) with asi 294 pro in color  12 light with 300 "L-pro 30 light with 10 "L-pro for the core 18 light 600 "with Halfa for outdoor areas. Pixinsight and Photoshop to elaborate.  Guidonia Montecelio (RM) Bortle scale 6.2 December 2021.

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M42 and Running Man, mirko tondinelli