Skylore One of Orion's two faithful dogs, following him in the sky. Description Procyon, the brightest star of Canis Minor, serves as the vertex of the Winter Hexagon lying between Gemini and Sirius. 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 . Dark nebula are grey rectangles . Green x's are x-ray sources.