Wallpaper author:
Jared Greer
29 Jun 2025
the trifid nebula
The trifid nebula is an HII region and stellar nursery found in Sagittarius. It has reflective, emission, and absorption features, making the trifid nebula unique among other nebulae. Here it is featured in LRGB with the stars reduced to make the details more visible. Software used: astro pixel processor, pixinsight, rc-astro tools, and photoshop.
Dataset from which the image was processed
M20
2 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16803
- Target coordinates............................................................................................................................RA 270.675 Dec -22.9667
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................20 Aug 2020 - 15 Apr 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Red | 180 | 24m | 8 |
| Green | 180 | 24m | 8 |
| Blue | 203 | 27m | 8 |
| Luminance | 158 | 21m | 8 |