Gr. m. s. t. of begin. 4'37m22.3 t2=4"52.3=292o.3 2.46574 A repetition of the calculation for 4437′′303, gives t2=—6o.5, local mean s. time of beg. of total eclipse=11'17TM23′.5 Solar eclipse of April 25, 1846. For the end of the total eclipse. The calculation for 4" 37" 30s gives t2 = 43.7 A repetition of the calculation for 4" 38" 15" gives t2= 0 local m. s. time of end of total eclipse=11h 18m 15 ̊.0 7. On the 19th day of February, 1831, an immersion of Solution. true lat. 42° 19' 10" Dorch. m. s. time 11h 43m 378 Correcting the tables by means of the Greenwich obser- 8. If the preceding longitude had been observed with a longitude = 4 44TM 12o.8 W. corr. of long.=-4.5 0.65347 9. To find when and where the different phases of the For this eclipse the Nautical Almanac gives Greenwich mean time of 6 in R. A. = 19h 50m 123.2 Solar eclipse of April 25, 1846. Ans. The eclipse begins at 16h 46m.7 Gr. m. s. t., in long. 16° 21' E., and lat. 9° 50′ N. 17h 52.0 Gr. m. s. t., in long. 0° 32′ W., and lat. 6° 44′ N. 21 38.9 Gr. m. s. t., in long. 126° 5′ E., and lat. 23° 51′ S. 22h 44m.1 Gr. m. s. t., in long. 109° 6′ E., and lat. 20° 47′ S. 10. Find when and where the eclipse of October 19, 1846, Ans. At 19 50m 2 Greenwich mean solar time., in long. 11. Find where the eclipse of April 25, 1846, begins in Ans. In latitude 28° 42′ N., and longitude 147° 50′ W. 12. Find the place of the southern limit of the eclipse of Ans. Latitude 13° 39′ S. 13. Find where the solar eclipse of April 25, 1846, is Ans. Latitude 25° 52′ N. longitude 73 11 W. 14. Calculate the solar eclipse of April 25, 1846, for the Cambridge observatory. |