05 Jun 2021
Barnard 252 is the Dolphin Nebula.
This dark nebula is actually covers the whole image, with the darkest part being the dolphin itself. The rest of this dark nebula gives the entire image an orange cast – note that most of the stars in this image are tinted orange.
There’s not much information about this nebula, so its distance or when it was discovered are unknown.
Barnard 252
9 credit
Filtro | Exp. media (s) | Esposizione totale | Sottoframe |
|---|---|---|---|
| Luminance | 750 | 4h10m | 20 |
| Green | 480 | 2h40m | 20 |
| Blue | 510 | 2h50m | 20 |
| Red | 660 | 3h40m | 20 |