Skylore Legendary hero who performed dozens of labors. Description Located between Ophiuchus and Draco . Look for the Keystone, a trapezoid of four stars. The size of each star indicates its relative magnitude .
Constellation names are light blue .
Messier object numbers are pink . Globular clusters are gold starbursts . Open clusters are dotted white circles. Planetary nebula are green diamonds . Bright nebula are magenta squares .