10 Nov 2023
NGC 6188 is an emission nebula located in the constellation Altare, 4000 light-years away from Earth.
The nebula is associated with the open cluster NGC 6193, in particular the stars HD 150135 and HD 150136, which are part of the OB Ara association, are the source that excites the nebula's gas.
The object was discovered by John Herschel in 1836 using an 18.36-inch telescope.
NGC 6188
2 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Halpha | 600 | 50m | 5 |
| SII | 600 | 50m | 5 |
| OIII | 600 | 50m | 5 |