This is the second brightest globular cluster in the sky, containing several million stars within a sphere of about 120 light-years diameter. It is about 11000 light-years away.
Telescope: ASA 12N-OK3 f3,6
Mount: ASA DDM 85
Camera: ZWO 6200MM Pro
Filter-wheel: FLI CFW 3-12
Filter: Astrodon L, R, G, B
Exposure: L:40x90sec, R:10x240sec, G:10x240sec, B:10x240sec
Programs: Maxim DL 5.0, PixInsight SE 1.8
full exif