M4

M4 (NGC 6121)

Typ:	Starcluster
Constellation:	Scorpius
Size:	26.3'
Distance:	7.2 kLj
Brightness:	5.9 mag
Position:	RA:16h 23m 35.22s DEC:−26° 31′ 32.7″
Max. height:	13.47°, May. (midnight at +50°N)
	Show in Stellarium
Discovered:	Jean-Philippe Loys de Chéseaux, 1745
Details:	Read more on Wikipedia

While M4 being a rather small starcluster, since it is relatively near to our position it is still bright and individual stars can be resolved with even small telescopes. Due to its location between the bright stars Alniyat and Antares it is also easy to find.