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Orion Nebula (FRA500 R6).jpg

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This is a portrait of the main nebulosity in Orion in his Sword, including: the Orion Nebula itself (at centre), aka Messiers 42 and 43, and the Running Man Nebula above (aka NGC 1973-5-7). The bright blue star cluster NGC 1981 shines above the Running Man. The subtle reflection nebula NGC 1999 is below M42 but a bit lost amid the other faint and dusty nebulosity.

The field of view is 4° by 2.7°.

This is a stack of 11 x 6-minute exposures with an Askar FRA500 astrograph (500mm focal length at f/5.5), and stock Canon R6 camera at ISO 800. The camera was not modified and no filters were employed here. I did not take short exposures for the core of the bright Orion Nebula. Some light haze added star glows.

Nebulosity is brought out in Photoshop using successive curves with luminosity masks generated by Lumenzia, and with applications of the Nebula Filter action from the PhotoKemi StarTools action set, and Enhance DSO from the Astronomy Tools action set. All alignment and layering was in Photoshop. Taken from home January 26, 2022. Autoguided and dithered with the MGEN3 guider, with LENR dark frame subtraction also applied to each frame in camera to eliminate the edge amp glow the R6 exhibits. It was about -5° C this night.
Copyright
© Alan Dyer/AmazingSky.com
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Contained in galleries
NGC/IC Objects, Orion, Messier Objects, My Latest, Nebulas
This is a portrait of the main nebulosity in Orion in his Sword, including: the Orion Nebula itself (at centre), aka Messiers 42 and 43, and the Running Man Nebula above (aka NGC 1973-5-7). The bright blue star cluster NGC 1981 shines above the Running Man. The subtle reflection nebula NGC 1999 is below M42 but a bit lost amid the other faint and dusty nebulosity. <br /> <br /> The field of view is 4° by 2.7°.<br /> <br /> This is a stack of 11 x 6-minute exposures with an Askar FRA500 astrograph (500mm focal length at f/5.5), and stock Canon R6 camera at ISO 800. The camera was not modified and no filters were employed here. I did not take short exposures for the core of the bright Orion Nebula. Some light haze added star glows. <br /> <br /> Nebulosity is brought out in Photoshop using successive curves with luminosity masks generated by Lumenzia, and with applications of the Nebula Filter action from the PhotoKemi StarTools action set, and Enhance DSO from the Astronomy Tools action set. All alignment and layering was in Photoshop. Taken from home January 26, 2022. Autoguided and dithered with the MGEN3 guider, with LENR dark frame subtraction also applied to each frame in camera to eliminate the edge amp glow the R6 exhibits. It was about -5° C this night.