240 



ASTRONOMICAL and 



The fecond obfen'ation was made April 8th by the clock at 23'' 37' 7" 

 Clock too flow apparent time . . . ... * 7 



The apparent time of the obfervation was therefore at . 23 39 14 



Obferved diftance of the limbs . . . 4S 19 23 



O's femi-diameter . . . . . -J- '^ o 



5 's femi-diameter . . . . . + ^4 59 



Error of the Sextant . . . . .+07 



J 'e increafed femi-diameter from her altitude + 010 



Obferved diftance of the centres . . . _ 48 50 39 



©'s true altitude 



]) 's do. . . . . 



Difference true altitudes 



©'s apparent altitude 

 J 's . do. 



Difference apparent altitudes 

 Obferved diftance of the centres 



Sum .... 



Difference .... 

 1 Sum .... 

 4 Difference .... 

 5 's apparent altitude . 



]) 's true altitude 

 o's apparent altitude 



66 6 20 

 42 54 46 



72 52 14 



24 49 4 



36 26 7 . .8 9.773723^^ 



12 24 32 . S 9.3322098 



42 15 7 CO. ar. c. S 0.1306537 



42 54 46 . c. S 9.8647430 



66 16 42 CO. ar. c. S 0.3954564 



