IC 5148
Nicknamed the Spare-tyre nebula, IC 5148 is a planetary nebula located around 1 degree west of Lambda Gruis in the constellation of Grus (The Crane). It was discovered by Australian amateur astronomer Walter Gale in 1894. Around 3000 light-years distant, it is expanding at a rate of 50 kilometres a second, one of the fastest of all planetary nebulae.
| Emission nebula | |
|---|---|
| Planetary nebula | |
IC 5148, nicknamed the Spare Tyre Nebula, taken by the ESO Faint Object Spectrograph and Camera (EFOSC2) on the New Technology Telescope. | |
| Observation data: J2000 epoch | |
| Right ascension | 21h 59m 35.2s |
| Declination | −39° 23′ 08″ |
| Distance | 3000 light years ly |
| Apparent magnitude (V) | 16.5 |
| Apparent dimensions (V) | 2 ′ x 2 ′ |
| Constellation | Grus |
| Designations | IC 5150, PK 002-52 1, PSCz P21565-3937, ESO 344-5, IRAS 21565-3937, PN G002.7-52.4 |
The central star of the planetary nebula has a spectral type of hgO(H).
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