Hertzsprung-Russell of Messier 5 or M5 (also designated NGC 5904) is a globular cluster in the constellation Serpens. 30x180sec fits exposures captured in N.I.N.A 3 and stacked in Siril 1.4. Telescope: Orion 8" 1000mm f4.9 Newtonian reflector. Mount: Orion Atlas EQ-G Guide Scope: Meade 800mm f10 reduced to f5 with Atik x.5 focal length reducer (ADM rings). Imaging Camera: Canon T3i with full spectrum modification. Guide Camera: Meade DSI Pro monochrome 16bit camera. Imaging camera in prime focus. Filtration used: · · Resolution 5136 x 3142