Dark Energy Camera Captures Van Gogh-esque Corona Australis Nebula

• The Dark Energy Camera captured a striking new image of the Corona Australis (CrA) molecular cloud, featuring swirling gas patterns reminiscent of Vincent van Gogh’s "The Starry Night."
• Corona Australis is a dark nebula located approximately 425 light-years from Earth and serves as a significant active star-forming region.

Key Features of the Region

• R Coronae Australis: A binary star system—comprising a red dwarf and a pre-main-sequence star—that illuminates the surrounding orange cloud and reflection nebulae.
• Nebulae Clusters: The region contains reflection nebulae NGC 6726, NGC 6727, and IC 4812. It also hosts NGC 6729 (Caldwell 68), an emission nebula ionized by UV radiation from young stars.
• NGC 6723 (Chandelier Cluster): A separate, distant star cluster located about 29,000 light-years away that appears in the upper right of the frame.
• Herbig-Haro Objects: The region includes HH100, where a young star ejects jets of ionized gas. These features are transient, lasting only tens of thousands of years.

Scientific Context and Dynamics

• Research Activity: While less studied than the Orion or Ophiuchus regions, CrA has been observed by Gaia, Chandra, and XMM-Newton.
• Kinetic Energy: 2023 research suggests the CrA complex is accelerating away from the Galactic plane, likely propelled by past supernova explosions.
• Structural Evolution: A 2025 study identified two distinct subregions, CrA-Main and CrA-North, noting that they are currently moving apart from one another.