M35 (and its partner NGC2158)
Credits: Keith Turnecliff, Long Itchington
Messier 35 (M35) is a large open star cluster located in the northern constellation Gemini. The cluster consists of several hundred stars, of which 120 are brighter than magnitude 13. The central region has a density of 6.21 stars per cubic parsec.
Facts about M35 by Keith Turnecliff
Messier 35 is the only Messier object in Gemini. The best time of year to observe it from northern latitudes is in the winter months, when the constellation is high overhead.

Credits: Image courtesy of Starry Night Pro Plus 8, researched and implemented by Keith Turnecliff.