Posts Tagged ‘IC 434’

Horsehead and Flame Nebulae Imaged by Donal McDonnell

The Horsehead Nebula (Barnard 33) is a dark nebula in bright nebula IC 434, in the constellation of Orion. The Flame nebula can be seen to the bottom left of the image. The red glow originates from hydrogen gas predominantly behind the nebula, ionized by the nearby bright star Sigma Orionis. The darkness...