Photo de stock - The Belt of Orion with the Horsehead Nebula at botton, the dark nebula set in the bright emission nebula IC 434. The nebula at left of the Zeta Orionis (aka Alnitak) is the Flame Nebula, NGC 2024. The reflection nebula at upper left is the M78 complex with NGC 2071. The other Belt stars are Alnilan (centre) and Mintaka (upper right). The field contains a wealth of other blue reflection and red emission nebulas. Taken from Australia, March 2014 with the Borg 77mm astrographic apo refractor (330mm focal length) at f/4.3 for a stack of 5 x 10 minute exposures with the filter-modified Canon 5D Mark II at ISO 800.

Photo de stock: The Belt of Orion with the Horsehead Nebula at botton, the dark nebula set in the bright emission nebula IC 434. The nebula at left of the Zeta Orionis (aka.

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