TY - JOUR T1 - An Extract of Two Letters of M. Hevelius, of June 19. and of Octob. 7. 1671; Containing Some of His Late Celestial Observations, Touching Saturn Obscur'd by the Moon; A Lunar Eclipse; And an Occultation of the First of the Satellits of Jupiter by the Shadow of This Planet; a Transit of Jupiter and the Moon; And a Late Appearance of Saturn: All Here Delever'd in the Language, Wherein the Author Communicated It JF - Philosophical Transactions (1665-1678) VL - 6 SP - 3027 EP - 3033 PY - 1753/01/01/ UR - http://dx.doi.org/10.1098/rstl.1671.0060 M3 - doi:10.1098/rstl.1671.0060 AU - Hevelius, M. ER -