The Horsehead Nebula known as Barnard 33, is a small dark nebula of non-luminous gas obscuring the light coming from behind, the moderately bright nebula IC 434 discovered by William Herschel (1786).

The Flame Nebula (NGC 2024 or Sh2-277) is an emission nebula about 900 - 1500 light-years away.

NGC 2023 is an emission and reflection nebula discovered also by William Herschel (1785). It is one of the largest of its kind, with a size of 10 × 10 arcminutes.

The bright star Alnitak (ζ Ori), shines energetic ultraviolet light into the Flame and this knocks electrons away from the great clouds of hydrogen gas that reside there.

Sigma Orionis (σ Ori) is a multiple star system consisting of the brightest members of a young open cluster.

(Source: Wikipedia)

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Hutech modified Canon 6D @ISO1600
TEC 180FL , Astro-Physics AP1200GTO
75x60s SUBS, 15 x DARKS, 20 x FLATS, 20 x FLATDARKS and 20 x BIAS
image acquisition: BackyardEOS, processing: ImagesPlus 6.5x64 and ACDSee Ultimate9

22/23 NOV 2020 ; 23:45 - 00:35