Miscellaneous
Description of sunspots at the Royal Observatory of the Spanish Navy (1833-1840) (pdf)
Translations
Malapert’s observations: Malapert, 1620 (pdf)
Malapert’s observations: Malapert, 1633, Austriaca Sidera (pdf)
Malapert’s observations: Scheiner, 1630, Rosa Ursina (pdf)
Gassendi’s sunspot observations: Gassendi, 1658, relevant information on sunspots (pdf)
Gassendi’s sunspot observations: observation method (pdf)
Gassendi’s sunspot observations: record on 7 November 1631 (pdf)
Gassendi’s sunspot observations: Octoul’s observation on 21 October 1635 (pdf)
Tarde’s sunspot observations: Tarde, 1620 (pdf)
Smogulecki’s sunspot observations: Smogulecki, 1626 (pdf)