De Mairans Nebula - emission nebula
De Mairans Nebula, is a emission nebula located in the constellation Orion .
De Mairans Nebula is magnitude 9 and is 20' x 15' in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- De Mairans Nebula
- Parent structure
- Orion Complex
- emission nebula
- 20' x 15'
- Messier #:
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.