Wallpaper author:
JEAN-LOUIS FAIVRE
26 Dec 2022
SH2-284
Sh2-284 is a large emission nebula visible in the constellation Unicorn.
It is observed in the central-eastern part of the constellation, about 5° southeast of the Rosetta Nebula. It can be followed and photographed through a high-powered amateur telescope equipped with special filters. Located nearly astride the celestial equator, it can be observed from all populated areas of Earth with ease. The most favorable period for its observation in the evening sky is from December to April.
Dataset from which the image was processed
Sh 2-284
6 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI ProLine PL9000
- Target coordinates............................................................................................................................RA 101.275 Dec 0.2478
- Hemisphere............................................................................................................................Southern
- Telescope location............................................................................................................................Chile
- Transient event............................................................................................................................No
- Observed on............................................................................................................................21 Dec 2022 - 02 Jan 2023
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 568 | 3h | 19 |
| OIII | 633 | 3h10m | 18 |
| SII | 600 | 3h | 18 |