M13 Great Hercules Cluster


Mark Griffith

Swindon, Wiltshire.

Teleskop service 12″ Richey-Chretien telescope, Skywatcher EQ8 mount,Atik 383L+ camera, Astronomik LRGB filters,
Hutech IDAS light pollution filter, Astro physics 0.67 reducer.

Haven’t imaged a global cluster for over a year so long overdue a go.

Bright one that I can even see in my finders scope.

Data collected on three nights. 18th, 19th & 20th April 2018.

LRGB image with 10 hours 30 minutes of data. 31 x Lum 11 x Red 11 x Green 10 x Blue 10 minute exposures.