Reflection nebula
Witch Head Nebula (IC2118)
In Eridanus (Eri) • Magnitude 13.0 • 3.0 degrees
Open the free AstroPlanner with Witch Head Nebula pre-selected, scored against your telescope, location, and the live cloud forecast.
A faint reflection nebula in Eridanus lit by Rigel.
Witch Head Nebula at a glance
| Catalog IDs | I 2118 |
| Type | Reflection nebula |
| Constellation | Eridanus (Eri) |
| Right ascension | 05h 04m 01s |
| Declination | -07° 13' 48" |
| Apparent magnitude | 13.00 |
| Surface brightness | 15.5 mag/arcsec² |
| Angular size | 180.0 × 60.0 arcmin |
| Max altitude at 45°N | 38° |
| Best imaging months | Nov, Dec, Jan, Feb |
How to image Witch Head Nebula
Witch Head Nebula sits in the constellation Eridanus at right ascension 05h 04m 01s and declination -07° 13' 48". To frame and integrate it well, AstroPlanner will compute the optimal moonless window for tonight from your location, the field-of-view fit against your sensor and focal length, the suggested total integration time given your aperture and sky Bortle class, and a cloud-aware schedule that drops it from the plan if your nearest cloud forecast spike overlaps the best altitude window.