ring when Jupiter is below the horizon, or else in the daytime, or too near the Sun to be visibie. Jupiter's Satellites are not visible from March 16th to May 18th, Jupiter being too near the Sun. Before the opposition of Jupiter to the Sun, Nov. 8th, the Immersions and the Emersions happen on the western side of the planet; but after the opposition these phases occur on the eastern side. These cclipses are seen only with the aid of a glass, and if it be an inverting telescope, the positions will be reversed. Im. denotes the immersion or disappearance of the satellite by entering into the shadow of Jupiter, and Em. denotes its reappearance at coming out of the shadow. The eclipses in the table are visible very generally in all the United States, and to find the time of their occurrence at other places than Washington, add the longitude in time when east of Washington and subtract it for places west. See the table of Latitudes and Longitudes. A TABLE SHOWING THE MOON'S PLACE, OR LONGITUDE, at 7 P. M., Washington mean time. The Constellation, and not the Sign, is given. The degrees given show how far the moon has advanced into the constellation. To find the Sign, add 30°. *This occultation is not visible at Washington, as the star will set at 1 o'clock 21 m. mornfag, but may be seen in the Western States. As the moon sets in the Eastern States, the star may be seen very close to its eastern edge. +January 29th. 5 29 6 27 7 30 8 26 HIGH WATER AT BOSTON, IN BOSTON MEAN TIME. January. February March. April. May. June. July. August. Sept'ber. October. Evening Nov'ber. Dee'ber. H. M. H. M. H. M. H. M. H. M. 567 1223 234 789 Ev. 32 2 9 257 3 48 4 42 5 41 6 42 129 Ev. 20 58 741 8.46 943 10 37 . .. . . .. HIGH WATER AT NEW YORK, IN NEW YORK MEAN TIME. |