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]