IC 5148

Nicknamed the Spare Tyre Nebula,^[3] IC 5148 is a planetary nebula located around 1 degree west of Lambda Gruis in the constellation of Grus (The Crane).^[4] 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.^[3]

IC 5148

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.[1]
Observation data: J2000 epoch
Right ascension	21h 59m 35.2s[2]
Declination	−39° 23′ 08″[2]
Distance	3000 light years[1] ly
Apparent magnitude (V)	16.5[2]
Apparent dimensions (V)	2 ′ x 2 ′[2]
Constellation	Grus
Designations	IC 5150, PK 002-52 1, PSCz P21565-3937, ESO 344-5, IRAS 21565-3937, PN G002.7-52.4
See also: Lists of nebulae

The central star of the planetary nebula has a spectral type of hgO(H).^[5]