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1612 – 1615
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Perovius, Szymon
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Studied astronomical observations, proper instrument use in Kalisz
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1633
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Perovius, Szymon
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In 1618, Perovius conducted astronomical observations in Kalisz; the results were published by Malapert in his “ Austriaca sidera ” ( Douai, 1633)
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Perovius, Szymon
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Under Malapert 's guidance, Sylvius and Perovius conducted astronomical observations in Kalisz
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Perovius, Szymon
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Together with Perovius and Silvius, Malapert conducted astronomical observations in Kalisz
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Perovius, Szymon
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Perovius conducted astronomical observations and learned proper instrument use under the guidance of Malapert in Kalisz
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Pézenas, Esprit
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Occupied himself with mathematics, astronomy, astronomical observations, cartography, navigation, scientific instruments, logarithms
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Rho, Giacomo
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Occupied himself with astronomical observations
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1686
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Richaud, Jean
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Occupied himself with astronomical observations in Pau
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Richaud, Jean
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Richaud brought a telescope on his mission and was probably the first in India to conduct astronomical observations with the help of this instrument
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Rodrigues, Francisco
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Occupied himself with astronomical observations
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1769
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Rostan, Alexandre Pancrace
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Rostan and Łuskina carried out astronomical observations together in 1763, 1764, and 1769
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da Veiga, Eusébio
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Occupied himself with astronomical observations, scientific instruments
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Zucchi, Nicola
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Occupied himself with physics, astronomical observations, mechanics, magnetism, optics, experiments
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