Position and Magnitude of the Rings of Saturn, according to Bessel and Struve, for every Fortieth Day in the Year, at 7 hours in the Morning. a denotes the outer semi-transverse axis of the outer ring. b 66 "outer semi-conjugate axis of the outer ring, positive when the northern surface is visible, negative when the southern. p denotes the inclination of the northern semi-conjugate axes of the rings to the circle of declination; + when East, when West. "angle of elevation of the Earth above the plane of the rings, The inner semi-transverse axis of the inner ring is two thirds of a, diminished by 0".07. The inner semi-conjugate axis of the inner ring is two thirds of b. LATITUDE AND LONGITUDE OF THE PRINCIPAL PLACES IN THE UNITED STATES, ETC.* [The Longitudes are reckoned from Greenwich.] The Capitals (Seats of Government) of the States and Territories are designated by Italic Letters. Do. (South Light), 42 38 10.9 70 34 104 42 16.7 Cape Cod (Long Point Light), Mass. 42 157.1 70 9 474 40 39.2 507 Cape Island, Lake of the Woods, Cape Hancock (Mouth of Co lumbia River), Castine, Cedar Keys, Depot Island, 49 36 42 46 16 35 Me. 44 22 30 N. C. 35 54 21 124 1 458 16 7 *The positions contained in this table have been derived from that given in the American Almanac for 1841; with additions and corrections principally from the determinations of the Coast Survey, and of the United States Topographical Engineers. LATITUDE AND LONGITUDE OF THE PRINCIPAL PLACES IN THE UNITED STATES, ETC.* [The Longitudes are reckoned from Greenwich.] The Capitals (Seats of Government) of the States and Territories are designated by Italic Letters. *The positions contained in this table have been derived from that given in the American Almanac for 1841; with additions and corrections principally from the determinations of the Coast Survey, and of the United States Topographical Engineers. |