M3 Globular Cluster


Mark Griffith

Swindon, Wiltshire. UK

Teleskop service 12″ Richey-Chretien telescope, Skywatcher EQ8 mount,Atik 383L+ camera, Astronomik LRGB filters.

Globular cluster in the constellation canes venatici. Dense core of 250,000 stars in 11 light years.

These objects are on the edge of our milky way galaxy.

Clouds staying away so decided to have a go at this bright cluster.

Data collected on the 16th January.

LRGB image with 2 hours and 50 minutes of data. 8 x Lum 3 x Red 3 x Green 3 x Blue 10 minutes exposures.