|
IC 2118 (Witch Head Nebula)
IC 2118 (also known as Witch Head Nebula) lies in the constellation of Eridanus, about 900 light-years from Earth.It is faint reflection nebula believed to be an ancient supernova remnant or gas cloud illuminated by nearby supergiant star Rigel. The nature of the dust particles, reflecting mostly the blue light is a factor in giving the Witch Head its bluish color. |
Object Details: |
|
| Object: | IC 2118 |
| Constellation: | Eridanus |
| Center of field: | R.A. 05h, 05m, 30s. ; DE. +08°, 21', 00" |
| Field dimensions: | Apr. 120 x 180 ' |
Technical Details: |
|
| Optics: | 420mm Canon lenses at F/4.0 |
| Mount: | ASA DDM 85 |
| Camera: | SBIG STL-11000M |
| Filters: | Astronomik LRGB filters, Baader Ha 8 nm filter |
| Dates/Times: | 30 October 2011 |
| Location: | Rozhen |
| Exposure Details: | L = 50 min, R = 40 min., G = 40 min.,B = 40 min.; Ha = 60 min |
| Subexposures: | LRGB 10 minutes, Ha 15 minutes |
| Acquisition: | CCD Soft |
| Processing: | PixInsight, Photoshop CS |
