Abell 78
| Abell 78 | |
|---|---|
|
As Seen From Mount Lemmon Sky Center | |
| Observation data (Epoch J2000.0) | |
| Right ascension | 21h 35m 29.38s |
| Declination | +31° 41′ 45.3″ |
| Constellation | Cygnus |
| Physical characteristics | |
| Radius | 1.4 ly |
| Other designations | PK 081-14.1, PN G 081.2-14.9, Abel 64, ARO 174, 2MASS J21352938+3141453, CSI+31-21334, UBV 18570, UBV M 44681 |
Abell 78 is a planetary nebula located in the constellation of Cygnus.
Composition
Made up of a fainter halo (mostly hydrogen) and an inner elliptical ring that is mostly made of helium.