Title: Rosa Vrsina, sive, Sol ex admirando facvlarvm & macularum suarum phœnomeno varivs
Subtitle: necnon circa centrum suum & axem fixum ab occasu in ortum annua, circaq.alium axem mobilem ab ortu in occasum conuersione quasi menstrua, super polos proprios, libris quatuor mobilis ostensus
Subjects: Early works to 1800, Sunspots, Telescopes