Wallpaper author:
Patrick Thompson
25 Apr 2026
Seagull Nebula
IC2177, the Seagull Nebula, in the SHO palette. It lies about 3500 ly from Earth in the constellation Monoceros and is huge--100 ly across. The Seagull is formed by hydrogen and oxygen gases ionized by young, hot stars spread throughout it. One estimate of star formation in the Seagull is 8-14 new stars per million years.
Dataset from which the image was processed
IC 2177
11 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................QHY 600M
- Target coordinates............................................................................................................................RA 106.50171 Dec -11.1535
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Australia
- Transient event............................................................................................................................No
- Observed on............................................................................................................................31 Oct 2023 - 24 Jan 2025
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 334 | 5h40m | 61 |
| SII | 300 | 5h5m | 61 |
| OIII | 265 | 4h25m | 60 |