Jones-Emberson 1
| Nebula | |
|---|---|
Planetary Nebula Jones-Emberson 1 (PK164+31.1). | |
| Observation data: J2000 epoch | |
| Right ascension | 07h 57m 51.628s |
| Declination | +53° 25′ 16.96″ |
| Distance | 1600 ly |
| Apparent magnitude (V) | 14 |
| Apparent dimensions (V) | 400 arc seconds |
| Constellation | Lynx |
| Designations | PK164+31.1, PN ARO 121, Headphone Nebula |
Jones-Emberson 1 (PK 164+31.1), also known as the Headphone Nebula, is a 14th magnitude planetary nebula in the constellation Lynx at a distance of 1600 light years. It is a larger planetary with low surface brightness. The 16.8-magnitude central star is a very blue white dwarf.