The starfield around the star Wasat in the constellation Gemini (also named Delta Geminorum, 55 Gem, STF 1066) first attracted my notice years ago because of its marque denizen, the planetary nebula, NGC 2392 (the Eskimo Nebula) which is a fine object for high...
The most observed object in the constellation Gemini is the rich open cluster Messier 35. Its faint companion cluster, NGC 2159, is better known to the astronomical cognoscenti than more casual observers. The excellent double star Castor, STF 1110, and the planetary...
