1.
Meteorological observations during VENUS cruise from Curacao to St. Martin started at 1850-06-20
2.
3.
Meteorological observations during MAGDALENA cruise from Batavia to the Netherlands started at 1853-10-15
Meteorological observations during Prins Veldmaarschalk cruise from Batavia to the Netherlands started at 1851-08-01
Meteorological observations during Prins Veldmaarschalk cruise from Batavia to the Netherlands started at 1852-10-14
Meteorological observations during Prins Veldmaarschalk cruise from Nederland to Batavia started at 1852-03-06