A new globular for me and constellation Serpens

Object ID M5, NGC5904
Details Globular Cluster, Serpens
Mag. 5.95
Size 23′
2020-04-15 23:54 UT ->
Seeing very good
Telescope 250mm f4.8 Newtonian
Camera Atik 460EX @-15C
Exposure(s) 10x180s each RGB
darks, flats, bias
Capture APT
Processing APP, Photoshop