NGC 6723

Chandelier Cluster. Globular Cluster, Sagittarius

May 2026. Observatorio El Sauce, Chile

NGC 6723 (also known as the Chandelier Cluster) is a globular cluster in the constellation Sagittarius. It was discovered by British astronomer James Dunlop on 2 June 1826. Its magnitude is given as between 6 and 6.8, and its diameter is between 7 and 11 arcminutes. It is a class VII cluster with stars of magnitude 14 and dimmer. It is near the border of Sagittarius and Corona Australis.
Unlike common globular clusters, NGC 6723 has an enhanced metallicity and a large fraction of younger stars, with primordial stars accounting for only 0.363±0.017 % of the total.

Telescope: Planewave CDK17 (FR) f4.5
Mount: Astro Physics 1600GTO
Camera: QHY16200A/ Integral FW
Guider: Agena Starguide II / ZWO ASI178MM
Filters: Astronomik 36mm LRGB

L: 124×5 mins = 620 mins, R: 24×5 mins = 120 mins, G: 24×5 mins = 120 mins, B: 24×5 mins = 120 mins

Total Imaging Time: 16h 20m

Data Imaged remotely on 5 nights during May 2026.
Data acquisition & Processing by David Churchill.