Headphone Nebula - planetary nebula
Headphone Nebula , is a planetary nebula located in the constellation Lynx .
Headphone Nebula is magnitude 14 and is 1° in size. For reference, the full moon is 30' (arc minutes) or 0.5° in size.
- Headphone Nebula
- planetary nebula
* One can see up to magnitude 7-8 objects with perfect eyes under ideal dark sky conditions.