| Chrono Quest | 17世紀第4期 |
| Offer Method | Celestial Discovery without map |
| Difficulty | 10 |
| Time Limit | none |
| Town | There are no Towns available for offers. |
| Required Skills | Astronomy (10) |
| Discovery | Astronomy / Mira (4th period of the 17th century) A star in the constellation Cetus whose brightness changes from a 2nd magnitude star to a 10th magnitude star with a period of about 332 days. Its name means something mysterious in Latin, and in 1779 it brightened to a first-magnitude star. Discovery card: 410 Rank: 5, Points: 9, Difficulty: 10, Experience points: 820 |
| Reward/Advance | |
| Exp/Fame | Experience points: 820 |
| Items Obtained | |
| Chain Quests | |
| Notes | 1.Visual recognition of the waters off the coast of the Antilles *Can be found anywhere within the sea *Nights other than stormy weather (cloudy weather possible) *Required 17th century-4 *Star map survey "Cetus" survey items |