Wallpaper author:
Soumyadeep Mukherjee
10 Feb 2022
The Valentine's Nebula
The Heart Nebula, IC 1805, Sharpless 2-190, is some 7500 light years away
from Earth and is located in the Perseus Arm of the Galaxy in the constellation
Cassiopeia. It was discovered by William Herschel on 3 November 1787. It is an
emission nebula showing glowing ionized hydrogen gas and darker dust lanes. The
Heart Nebula is also made up of ionised Oxygen and Sulfur gasses, responsible for
the rich blue and orange colours.
Dataset from which the image was processed
Heart Nebula
8 credit
- Type of target............................................................................................................................Emission Nebula
- Camera............................................................................................................................FLI PL16083
- Target coordinates............................................................................................................................RA 38.20592 Dec 61.37839
- Hemisphere............................................................................................................................Northern
- Telescope location............................................................................................................................Spain
- Transient event............................................................................................................................No
- Observed on............................................................................................................................27 Sept 2019 - 20 Nov 2022
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 1385 | 10h | 26 |
| Luminance | 23 | 10m | 26 |
| Red | 23 | 10m | 26 |
| Green | 23 | 10m | 26 |
| Blue | 36 | 15m | 25 |