The Argonauts sent a dove to ensure their safe passage between the Clashing Rocks. Description Below Orion in the far south, Columba is tiny, with few bright stars. Barely visible in December from 35 degrees north latitude. 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 .