350 



ASTRONOMICAL OBSERVATIONS 



Observations made on a lunar eclipse at the city of Havanna, 

 on the 9th of May, 1808: — magnifying power of the tele- 

 scope 70. 



IMMERSIONS. Meantime. 



h ' K 



Beginning of the Eclipse. . 12 22 29 



Beginning of Grimaldus. . 12 27 18 



End of ditto. . . 12 27 58 



Beginning of Aristarcus. . 12 28 38 



End of ' ditto. . 12 30 08 



Beginning of Mare humorum. 12 37 57 



ditto, of Copernicus. . 12 39 37 



End of ditto. . I 12 40 57 



Beginning of Plato. . . 12 43 57 



End of 'do. . . 12 45 07 



Beginning of Mare serenitat 12 50 57 



Center of ditto. . 12 55 16 



Beginning of Tycho. . . 12 56 46 



End of ditto. . 12 58 41 



Beginning of Mare Crisium. 13 09 21 



End of * ditto. . • . 13 14 20 



End of Langrenus. . 13 18 00 



Total darkness of the £. . 13 2125 



EMERSIONS. 



End of total darkness of the £ 

 End of Grimaldus. 



End of Aristarcus. 

 Beginning of Tycho. 

 End of ditto. 



Center of Schikardus. 



End of Plato. 



Beginning of Mare serenitat. 

 Center of ditto. 



End of ditto. 



End of Taruntius. 

 Beginning of Mare crisium. 

 End of ditto. 



The end of the eclipse. 



15 54 36 



The above observations of the lunar eclipse are very exact, 

 excepting the beginning and the end of the eclipse, which are 

 liable to the error of one and a half minute, on account of the 

 strong penumbra. 



Tabic of the results of the occultations of the stars by the moon. 



Mean time of immersions. 

 Longitude west from Paris. 

 Mean time at Paris. 

 Apparent longitude of the stars. 

 Apparent latitude of the stars. 



Latitude Vertical angle 



Logarithmic radius of the earth 

 Equatorial horiz. parallax of the £ 

 Parallax in Longitude. 

 Parallax in latitude. 

 Apparent difference of latitude be- 

 tween the moon and stars. 

 Conjunction mean time. 

 Havanna west from the plantation 

 Conjunction in Havanna by observ 

 At Paris by the new tables. 



HavxiMia west frost) Paris. 



