47 Tucanae or NGC 104
47 Tucanae is the second brightest globular cluster after Omega Centauri, and telescopically reveals about ten thousand stars, many appearing within a small dense central core. The cluster may contain an intermediate-mass black hole.
Everything you ever wanted to know about this cluster here: 47 Tucanae
Image taken at SSRO in 2015, 4hours each LRGB