| Catalogue and alternative designations |
NGC 3918, blue planetary |
| Type | Planetary Nebula |
| Position | 11 50.3, -57 11 |
| Constellation | Centaurus |
| Camera and Telescope | STL6303E and 31.75 cm Ritchey Chretien |
| Focal Ratio | F9 |
| Exposure Details | This is a narrowband image with red assigned to Sulfur II (90m), green assigned to Nitrogen II (90m) and blue assigned to Oxygen III (110m). Astrodon filters. The image is a 300% crop. |
| Description | This
very bright planetary nebula
(magnitude 8) is about 12" in diameter.
The distance is about 5000 light
years.
|