meridian, add the numbers opposite in the column "For meridian passage" to the figures in the column "Sidereal noon" in the table for surveyors and engineers for the desired date, interpolating for dates between those given. Note whether the figures be "Morn" or "Eve." If "Morn" and the sum is more than 12 hours the result will be evening of the same day; if "Eve." and the sum is more than 12 hours the result will be morning of the next day. Having found. the time of meridian passage, for the rising subtract and for the setting add the numbers opposite the name of the star in the column headed "For rising and setting," observing the directions as to "Morn" and "Eve." as given above. Those stars marked in the last column are circumpolar and do not rise or set in the latitude of New-York City. Stars having an asterisk (*) in the last column are only to be seen in the far south and when near the meridian, as the vapors of the horiron will obscure them at rising or setting. To tell how high up from the nearest point of the horizon a star will be at its meridian passage, subtract the declination of the star from 90°, , and if the result is less than the latitude of the place of the observer that star will neither rise nor set, but is circumpolar, and the difference between that result and the latitude shows the star's altitude above the north point of the horizon or below the southern horizon. Or, (90° — dec.) latitude altitude or elevation of the star above the nearest point of the horizon at meridian passage for stars of a south declination. Sidereal noon, November 5.... Fomalhaut in "meridian" column.... 22 48 9 1 p. m. Examples; 11 49 p. m. of the 6th 3 49 p. m. = Time of rising. = Time of setting. Declination of Fomalhaut 30° south; therefore 90° -30° 60° - 40° 20° altitude of Fomalbaut in latitude 40° north at the time of the meridian passage of that star. To measure celestial distances with the eye, keep in mind that one-third of the distance from the zenith to the horizon is 30°. For smaller measurements use the "Pointers" in the "Big Dipper," which are nearly 5° apart a convenient celestial unit because always in sight. The "Yardstick" or "Ell and Yard" in Orion, or the "Kings," is just 3 long, or 11⁄2 each way from the centra' star (see Star table). the case of a star whose declination is such as to bring it nearer to the zenith than to the horizon at meridian passage, it will be better to use its zenith distance as a means of locating it. The difference between latitude and declination zenith distance. If declination is greater than latitude, then such difference is to be counted northward (otherwise southward) from the zenith. In SITUATION OF PRINCIPAL PLANETS EACH SUNDAY OF THE YEAR. Feb. Mch.[April May June July | Aug. Sept. Oct. Nov. Dec. PLANETS. Venus (?). Jan. > 8 II Ꮽ ЖЫ EXI Uranus (HI) The place indicated is the constellation in which the planet is situated on the first, second, third, fourth and fifth Sundays of each month in the order named. The immersion takes The planet Mars will be occulted by the moon December 2. place at 2:15 a. m. and the emersion at 3:08 a. m., Eastern standard time: OCCULTATION OF MARS BY THE TIDE TABLES. To find the time of high water for any place given in the table below, apply the correction opposite the place to the times of high water for its respective port given for "every day on the twelve calendar pages of this Almanac. Add the correction to time of high water when it is plus, and subtract it when it is minus. Example: To find time of high water at Rockland, Me., on January 7, 1904: Time of high water at Boston, January 7.... Time of high water at Rockland, Me., January. 7. 2:32 pm. --0:26 Eastport, Me.. Gardiner, Me. Augusta, Me. Portland, Me... rec- 2:06 p. m. Corrections to Cor- Corrections to times of high water] at Charleston for: Cor rec tion. II. M. 8.46 ---10 17 8 1 6 15 6 7 2.59 028 05 0 49 Stonington, Conn... City I., L. L. S., N.Y. +0 49 Sea Breeze, N. J. 3 5 Rehoboth, Del.. Isle of Shoal L., N.H-0 20 Brooklyn, N. Y., N.Y 3 40 Newport News, Va.. Wellfleet, C. C., Mass-0 11 Oyster B., L.I.S., N.Y 40 561 Oxford, Md.. -746 The year 1626 of the era of Diocletian. The year 2564 of the Japanese cra. The year 1322 of the Mahometan era, the second of the 45th cycle of 30 years, containing 351 days. CHINESE CALENDAR. The year 1904 corresponds nearly to the year 4601 of the Chinese era, which is the 41st of the 76th cycle of 60 years: First month begins.. Feb. 16 March 17 .April 15 May 15 .June 13 .July 13 .Aug. 11 .Sept. 9* .Oct. 9 Nov. 7 .Dec. 6 .Jan. 5, 1905 |