Abell 78
 |
| Nebula | |
|---|---|
 As Seen From Mount Lemmon Sky Center | |
| Observation data: J2000.0 epoch | |
| Right ascension | 21h 35m 29.38s |
| Declination | +31° 41′ 45.3″ |
| Constellation | Cygnus |
| Physical characteristics | |
| Radius | 1.4 ly ly |
| 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.
References
External links
- http://crescent.astro.illinoise.edu/projects/spitzer-pne/Abell_78_img.php[permanent dead link]
- http://www.astronomy-mall.com/Adventures.In.Deep.Space/abellcat
- NOAO>Outreach>Planetary Nebula Sampler: Abell 78
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