URANUS

Has a mean distance from the sun of 1770 millions of miles, and makes one

revolution in 84.02 years. To find it readily it is necessary to know

its right ascension and declination, which for the 1st, 15th and 30th

are in order as follows: Right ascension 11h. 40m. 35.92s., declination,

2° 57′ 8.4″ north; right ascension, 11h. 39m. 36s., declination, 3° 3′

1.5″ north; right ascension, 11h. 39m. 11.54s., declination, 3° 4′ 58.3″

north. Will be evening star throughout the month, setting as follows: On

the 2d, at 3:09 a. m.; on the 16th, at 2:13 a. m.; and on the 31st, at

1:14 a. m. Its motion will be retrograde, amounting to 24′ 7.2″. Diameter

on 1st, 3.8″, and on the 31st, 3.6″. On the 5th at 10:33 a. m., 3° 29′

north of moon; and on 31st, at 9:00 a. m., stationary.

The Chautauquan, Vol. 04, May 1884, No. 8 · 第 39 / 120 题