10 Feb 2026
NGC 6729 (also known as Caldwell 68) is a reflection/emission nebula of the Corona Australis Molecular Cloud in the constellation Corona Australis. It was discovered by Johann Friedrich Julius Schmidt in 1861.[1]
This fan-shaped nebula opens from the star R Coronae Australis toward the star T CrA to the south-east. R CrA is a pre-main-sequence star in the Corona Australis molecular complex, one of the closer star-forming regions of the galaxy at a distance of 130 pc.NGC 6729 is a variable nebula which shows irregular variations in brightness and in shape.
NGC 6729
10 credit
Filter | Avg Exp (s) | Total Exposure | Subframes |
|---|---|---|---|
| Luminance | 328 | 3h55m | 43 |
| Red | 314 | 3h45m | 43 |
| Green | 286 | 3h25m | 43 |
| Blue | 271 | 3h10m | 42 |