| Date | Person | Description |
|---|---|---|
| Carboni, Giovanni Battista | Carboni conducted astronomical observations together with Capassi in Lisbon | |
| Clavius, Christoph | Ricci studied mathematics and geography under Clavius in Rome | |
| 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 | |
| Hartzheim, Hermann Josef | Hartzheim prompted a revised edition of school texts for German and new impulses in the teaching of mathematics, physics, and geography during his time in Cologne | |
| 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 | |
| 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 |
| 1612 – 1615 | Perovius, Szymon | Studied astronomical observations, proper instrument use in Kalisz |
| 1633 | Perovius, Szymon | In 1618, Perovius conducted astronomical observations in Kalisz; the results were published by Malapert in his “ Austriaca sidera ” ( Douai, 1633) |
| Perovius, Szymon | Perovius conducted astronomical observations and learned proper instrument use under the guidance of Malapert in Kalisz | |
| Perovius, Szymon | Under Malapert 's guidance, Sylvius and Perovius conducted astronomical observations in Kalisz | |
| Perovius, Szymon | Together with Perovius and Silvius, Malapert conducted astronomical observations in Kalisz | |
| Ricci, Matteo |
Studied mathematics, geography in Rome
Collegium Romanum |
|
| 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 |