| Date | Person | Description |
|---|---|---|
| Angiolini, Gaetano |
Studied theology, architecture, painting in Verona
After 1773 |
|
| Carboni, Giovanni Battista | Carboni conducted astronomical observations together with Capassi in Lisbon | |
| Cysat, Johann Baptista | Studied mathematics, astronomical observations in Ingolstadt | |
| Cysat, Johann Baptista | Cysat helped Scheiner to conduct astronomical observations in Ingolstadt | |
| 1799 | Cytowicz, Józef | Studied architecture in Polotsk |
| Eschinardi, Francesco | Studied philosophy, logic in Rome, Città di Castello | |
| Fournier, Georges | Fournier collaborated with Boulliau on astronomical observations in Paris | |
| Grodzicki, Faustyn | Karsznicki studied mathematics and architecture under Grodzicki in Lviv | |
| 1776 | Hell, Maximilian | Since 1776, Güssmann collaborated with Hell on astronomical observations in Vienna, leading up to Hell’s publication “ Ephemerides astronomicae ” |
| Hell, Maximilian | Hell assisted Franz in doing astronomical observations in Vienna | |
| 1768 – 1769 | Hell, Maximilian | On invitation by the Danish King Christian VII, Hell and Sajnovics conducted astronomical observations on the isle of Vardø in 1768–1769 |
| 1743 – 1745 | Karsznicki, Józef | Studied mathematics, architecture in Lviv |
| Koc, Jan | Narwojsz conducted astronomical observations together with Bystrzycki and Koc | |
| Koc, Jan | Koc conducted astronomical observations together with Gawroński and Bystrzycki | |
| Krüger, Oswald | Studied mathematics, astronomy, architecture in Rome | |
| Krüger, Oswald | Krüger studied mathematics, architecture and astronomy in Rome under Grassi and Grienberger | |
| de Laval, Antoine | Laval published various astronomical observations of the sun, the moon, planets, eclipses, conjunctions, emersions, and refractions, observations of the tides and gravity, calculations of longitudes, and observations of the barometer | |
| 1762 – 1765 | Lenkiewicz, Gabriel | Studied architecture in Rome |
| 1618 – 1630 | Malapert, Charles | From 1618 – 1627 or 1618 – 1630, Sylvius assisted Malapert in conducting astronomical observations in Douai |
| Perovius, Szymon | Under Malapert 's guidance, Sylvius and Perovius conducted astronomical observations in Kalisz |