Wallpaper author:
John Ebersole
26 Sept 2023
Horsehead Nebula
The Horsehead Nebula, aka Barnard 33, is depicted here in a wavelength-ordered, narrowband (SII-SIIHa-Ha) palette.
Dataset from which the image was processed
B33
12 credit
- Type of target............................................................................................................................Dark Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 85.2695 Dec -2.4968
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................31 Aug 2023 - 01 Oct 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 304 | 5h55m | 70 |
| SII | 304 | 5h50m | 69 |
| OIII | 291 | 5h35m | 69 |