NGC 3766 is relatively young, with an estimated age of log (7.160) or 14.4 million years, and is approaching us at 14.8 km/s.- Nicolas Louis de Lacaille
- NGC 3766 (Wikipedia)
NGC 3766 (also known as Caldwell 97) is an open star cluster in the southern constellation Centaurus. It is located in the vast star-forming region known as the Carina molecular cloud, and was discovered by Nicolas Louis de Lacaille during his astrometric survey in 1751–1752. At a distance of about 1745 pc, the cluster subtends a diameter of about 12 minutes of arc.