Question: what are the most important constellations?
Answer: Aquarius. This drawing, as well as those below, is from Sidney Hall's set of drawings called Urania's Mirror. ... 
Aquila. ... 
Aries. ... 
Canis Major. ... 
Cygnus (also known as the Northern Cross) ... 
Leo. ... 
Orion. ... 
Scorpius.