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| Catalogue and alternative designations | IC
5148/50, Spare tyre nebula
|
| Type | Planetary Nebula |
| Position | 21 59.5, -39 23 |
| Constellation | Grus |
| Camera and Telescope | GMOS (Gemini Multi Object Spectrograph) instrument on 8 metre Gemini South. Click here for more information about this instrument |
| Focal Ratio | F16 |
| Exposure Details | One hour total exposure with red assigned to 780nm, green to 630nm and blue to 475nm. Ha and OIII filters were also used. |
| Description | This seldom imaged planetary nebula is about 2' across and magnitude 11.5. It was discovered by Gale in 1894 and independently by Swift three years later. Dreyer recorded both observations, hence the dual designation. The estimated distance is about 2900 light years. |