| Catalogue and alternative designations | NGC
3918, PK 296+04.1, Blue
planetary
|
| Type | Planetary Nebula |
| Position | 11 50.3, -57 11 |
| Constellation | Centaurus |
| Camera and Telescope | 2.4m Hubble Space Telescope using Wide Field and Planetary Camera 2 |
| Focal Ratio | |
| Exposure Details | RGB using HLA data. Red assigned to 658nm, Green to 555nm and blue to 502nm |
| Description |
This is a very bright planetary nebula discovered by John Herschel in 1834. It's about 12" across and visual magnitude 8.1. It's usually known as the blue planetary and is visible in very small telescopes The data used in this image is based on observations made with the NASA/ESA Hubble Space Telescope, and obtained from the Hubble Legacy Archive, which is a collaboration between the Space Telescope Science Institute (STScI/NASA), the Space Telescope European Coordinating Facility (ST-ECF/ESA) and the Canadian Astronomy Data Centre (CADC/NRC/CSA). |