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懜 by 2.7懜. 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. .
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TOP28950948
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達志影像
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RM
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