جون

Also known as 77 Ursae Majoris, HD 112185, Epsilon Ursae Majoris, The Jade Sighting-Tube, ε UMa, ε Ursae Majoris, 77 UMa, HIP 62956

Alioth , also called Epsilon Ursae Majoris, is a star in the northern constellation of Ursa Major. The designation is Latinised from ε Ursae Majoris and abbreviated Epsilon UMa or ε UMa. Despite being designated "ε" (epsilon), it is the brightest star in the constellation and at magnitude 1.77 is the thirty-third brightest star in the sky.