Found in 2 Collections and/or Records:
Papers of Jean Baptiste Joseph Delambre (1749-1822). These are calculations, tables, and notes regarding the planets Uranus, Venus, Jupiter, and other planets and celestial bodies including comets and stars. There are also notes relating to the history of Astronomy.
This letter is dated 15 August 1686 and was written to Dr. Johann Philipp von Wurtzelbau (1651-1725) "my dear and respectable friend." Its content is concerned with arguments relating to lunar eclipses, about the planets Mars and Uranus, some astronomical theories, and in what should be made public. Hevelius expresses concern that his observations are considered forbidden by the council in Rome.