| Date | Person | Description |
|---|---|---|
| 1665 | Baldigiani, Antonio |
Studied rhetoric in Rome
Collegium Romanum |
| Bartolli, Daniello | Studied rhetoric in Piacenza | |
| Carboni, Giovanni Battista | Carboni conducted astronomical observations together with Capassi in Lisbon | |
| 1662 – 1663 | Coppylius, Matthaeus | Studied rhetoric in Brno |
| Cysat, Johann Baptista | Studied mathematics, astronomical observations in Ingolstadt | |
| Cysat, Johann Baptista | Cysat helped Scheiner to conduct astronomical observations in Ingolstadt | |
| Fournier, Georges | Fournier collaborated with Boulliau on astronomical observations in Paris | |
| 1623 – 1624 | Gautruche, Pierre | Studied rhetoric in Rennes |
| Gawroński, Andrzej | Studied rhetoric in Kraków | |
| Gião, Francisco | Studied rhetoric in Évora | |
| Grienberger, Christoph |
Studied philosophy, rhetoric in Prague
Not before 1580 |
|
| 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 |
| Koc, Jan | Narwojsz conducted astronomical observations together with Bystrzycki and Koc | |
| Koc, Jan | Koc conducted astronomical observations together with Gawroński and Bystrzycki | |
| 1594 – 1595 | L'Abbe, Ioannes Baptista | Studied rhetoric in Český Krumlov |
| 1698 – 1791 | Lafitau, Joseph-François | Studied philosophy, rhetoric in Pau |
| 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 | |
| 1618 – 1630 | Malapert, Charles | From 1618 – 1627 or 1618 – 1630, Sylvius assisted Malapert in conducting astronomical observations in Douai |