Messier 3
is a globular cluster in the constellation Canes Venatici. This cluster
is one of the largest and brightest, and is made up of around 500,000
stars. It is located at a distance of about 33,900 light-years away from
Earth. For full size and technical details look here : http://astrofarma.gr/index.php/en/m3
Farmakopoulos Antonis
http://astrofarma.gr