IC 2118
| Reflection fog | |
|---|---|
| Witch head nebula | |
|
|
| The blue glowing witch head nebula | |
| Constellation | Eridanus |
|
Position equinox : J2000.0 |
|
| Right ascension | 05h 04m 55.4s |
| declination | -07 ° 15 ′ 56 ″ |
| Further data | |
| Angular expansion |
180 × 60 |
| distance |
1000 ly |
| history | |
| discovery |
William Herschel |
| Date of discovery |
December 20, 1786 |
| Catalog names | |
| NGC 1909 • IC 2118 • HV 38 • LBN 959 • GC 1116 • Ced 41 | |
| Aladin previewer | |
IC 2118 , also known as the Witch's Head Nebula due to its shape, is a reflection nebula in the constellation Eridanus River . It is madeto glowby Rigel , the brightest star in the constellation Orion . The nebula appears in blue light because its fine dust particles can reflect blue more effectively than red.
Web links
Commons : IC 2118 - Collection of pictures, videos and audio files
- Witch head nebula
- Spektrum .de: amateur recordings [1]