(FrameSize=30' * 30')
Ring Nebula: M57-NGC6720 (Planetary Nebula)
[Lyra]
May.22 1998, 26hr.15mim.JST (8min. Exposure)
Location: the Kasuo Pass, Awano town, Tochigi pref., Japan
Epsilon210c (21cm-reflector, f=628mm, F:3.0), Fuji-film SGA800
Object Data
| M57-NGC6720 Ring Nebula | 
| Type of object | Planetary Nebula | 
Type | IV | 
| Constellation | Lyra | 
| R.A. | 18h 53.6m (2000.0) | 
Dec. | +33° 02' (2000.0) | 
| Mag.(v) | - | 
Mag.(p) | 9.3 | 
| Diameter | 83" * 59" | 
Distance | 1410 light-year | 
| note | - | 
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