| Date | Person | Description |
|---|---|---|
| Carboni, Giovanni Battista | Carboni conducted astronomical observations together with Capassi in Lisbon | |
| Güssmann, Franz | Studied literae humaniores in Leoben | |
| Richaud, Jean | Richaud brought a telescope on his mission and was probably the first in India to conduct astronomical observations with the help of this instrument |