The Horsehead Nebula, Barnard 33
The Horsehead Nebula, Barnard 33, is a dark cloud of obscuring gas and dust which lies in front of the extended pink glow of the IC 434 emission nebula.
Below the Horsehead Nebula, at the 4 o'clock position is the bright reflection nebula, NGC 2023.
| Types of Nebulae | |
| Type | Composition |
| Emission Nebulae | Heated gas which generates light |
| Reflection Nebulae | Clouds of gas that reflect the light of nearby or embedded stars |
| Absorbption Nebulae | Clouds of gas that block light from more distant objects |
This image is approximately 30' square.
It was taken by the Anglo-Australian Telescope.