NGC 6729
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.
| Reflection nebula | |
|---|---|
| emission nebula | |
NGC 6729 is the bright fan like nebula at the center of the image. | |
| Observation data: J2000 epoch | |
| Right ascension | 19h 01m 54.1s |
| Declination | −36° 57′ 12″ |
| Apparent dimensions (V) | 2.5′ × 2.0′ |
| Constellation | Corona Australis |
| Designations | Caldwell 68 |
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.
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