Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. Zeta Cancri ( Cnc, Cancri) is a star system in the constellation Cancer containing at least four stars. It has the traditional name Tegmine (Tegmen) "the shell (of the crab)". The star system is approximately 83.4 light years from Earth, and has a combined apparent magnitude of +4.67. In Chinese, (Shu Wèi), meaning Water Level, refers to an asterism consisting of Cancri, 6 Canis Minoris, 11 Canis Minoris and 8 Cancri.