Year | Constellation | Visibility period | Apparent visual magnitude (brightness) | Distance, ly | Place of observation |
185 | Centaurus | >20 months | from −2 to −8 | 3000 - 8000 | China, Korea |
393 | Scorpios | 8 months | From 0 to −3 | 4000 - 34,000 | China |
1006 | Lupus | >3 years | from −7 to −9 | 7000 | China, Japan, Egypt, Khwarezm, Iraq, Morocco, Yemen, Switzerland |
1054 | Taurus | 21 months | −6 | 6000 - 7000 | China, Japan, Near East |
1181 | Cassiopeia | 6 months | From 0 to −1 | 6500 - 8500 | China, Japan |
1572 | Cassiopeia | 18 months | −4 | 7500 - 10,000 | China, Korea, Europe |
1604 | Ophiuchus | 12 months | −3 | 20,000 | China, Korea, India, Europe |