[8] It is the fourth-brightest globular cluster in the sky, after Omega Centauri, 47 Tucanae and Messier 22, respectively.
[10][11][12] NGC 6752 was first identified by one James Dunlop of Parramatta on 30 June 1826, who described it as an irregular bright nebula which could be resolved into a cluster of many stars, highly compressed at the centre.
[8] It belongs to Shapley–Sawyer Concentration Class VI, namely of intermediate density,[1] and has been calculated to be 11.78 billion years old.
[8] However this depends on good viewing conditions with a minimum of light pollution.
[9] With binoculars it can be seen to cover an area three quarters the size of the full moon.