TY - JOUR T1 - An Extract of Signor Cassini's Letter Concerning a Spot Lately Seen in the Sun; Together with a Remarkable Observation of Saturn, Made by the Same JF - Philosophical Transactions (1665-1678) VL - 11 SP - 689 EP - 690 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1676.0033 M3 - doi:10.1098/rstl.1676.0033 AU - Cassini, S. ER -