Table:
text: Historical brightest stars
Jocelyn Tomkin's 1998 list of the brightest star in Earth's night sky at each period within the last or next 5 million years
Jocelyn Tomkin's 1998 list of the brightest star in Earth's night sky at each period within the last or next 5 million years
Star Start_year End_year Maximum_year Maximum_magnitude Distance_at_maximum_LY Current_distance Current_magnitude_
Vega +210,000 +480,000 +290,000 -0.81 17.2 25.04 0.03
Canopus (fourth time) +480,000 +990,000 +480,000 -0.40 346 310 -0.72
Beta Aurigae +990,000 +1,150,000 +1,190,000 -0.40 28.5 82.1 1.9
Delta Scuti +1,150,000 +1,330,000 +1,250,000 -1.84 9.2 187 4.72
Gamma Draconis +1,330,000 +2,030,000 +1,550,000 -1.39 27.7 154 2.36
Upsilon Librae +2,030,000 +2,670,000 +2,290,000 -0.46 30 195 3.6
NR Canis Majoris +2,670,000 +3,050,000 +2,870,000 -0.88 14 280 5.6
Omicron Herculis +3,050,000 +3,870,000 +3,470,000 -0.63 44 346 3.83
Beta Cygni +3,870,000 ... +4,610,000 -0.52 80 390 3.18

Question: Among the historically brightest stars, how many stars are at most 30 light-years away or more?

Question: Among the historically brightest stars, which is the only star that has a maximum distance of 80?