| Emission nebula | |
|---|---|
| Planetary nebula | |
 As seen from Mount Lemmon Observatory | |
| Observation data: J2000 epoch | |
| Right ascension | 20h 31m 33.2s |
| Declination | −07° 05′ 17″ |
| Constellation | Aquila |
| Notable features | A background galaxy gives it a "diamond ring" effect |
| Designations | PK 038-25.1, PN G038.1-25.4 |
Abell 70 is a slightly elongated planetary nebula located 13,500-17,500 light years away in the constellation of Aquila. It is approaching the earth at 79 kilometers per second and expanding 38 kilometers per second. There is a galaxy named PMN J2033-0656 behind Abell 70, giving it a "diamond ring" effect.[1]