NGC 6720
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NGC 6720[1][2], also known as M 57 or Ring Nebula in Lyra, is a planetary nebula located in the constellation Lyra.
| NGC 6720 | |
|---|---|
| Observation data: 2000.0 epoch | |
| Constellation | Lyra |
| Right ascension | 18h53.6m |
| Declination | +33o02' |
| Type | Planetary nebula |
| Apparent dimensions | 2.5 |
| Apparent magnitude | 9.0 |
| Other designations | M 57, Ring Nebula in Lyra |
Appearance
Location
Scientific research
References
- ↑ Hirshfeld, Alan, and Roger W. Sinnott, eds., Sky Catalogue 2000.0, Vol.2, Cambridge, Massachusetts: Sky Publishing Corp. and Cambridge University Press, 1985. (3098,238)
- ↑ NGC 2000.0, The Complete New General Catalogue and Index Catalogue of Nebulae and Star Clusters by J.L.E. Dreyer Sinnott, R.W. (edited by) <Sky Publishing Corporation and Cambridge University Press (1988)>