what are all the stars?
epsilon canis majoris, beta canis majoris, canopus (first time), zeta sagittarii, zeta leporis, canopus (second time), aldebaran, capella, canopus (third time), sirius (current), vega, canopus (fourth time), beta aurigae, delta scuti, gamma draconis, upsilon librae, nr canis majoris, omicron herculis, beta cygni
of those, which star has no start year?
epsilon canis majoris