Credits: Bob Franke
IC 4756 is an open cluster in the Serpens constellation. It is at a distance of about 1300 light years away from Earth.
Facts about IC4756 by Keith Turnecliff
This open cluster has the virtue of being easy to find. It is a lovely
binocular sight consisting of about a dozen 7th and 8th magnitude stars.
The best time of year to observe IC4756 is during the summer, when Ophiuchus is prominent in the evening sky.