IS6 



DEtERMINAriON of the LJTiTUDE 



Computation of the Apparent Times of Conjundlion in the 

 Spheroidal Hypothesis, at Greenwich. 



;mf^ 



Moon's true long, at im. a 29 50 13 

 Eft. parallax in longitude, + 22 57 



Appt. longitude nearly, 

 Moon's true latitude, 

 Eft. parallax in latitude, 



App'. latitude nearly. 

 Horizontal parallax, 

 Reduftion, 



Reduced parallax. 

 Latitude of Greenwich, 

 Reduftion, 



Reduced latitude, 

 Alt. nonaged mal, 

 Longitude nonagefinnal. 

 Par. in longitude. 

 Par. in latitude. 

 Moon's true mot. in long. 

 Diff. of par. in long. 



Appt. mot. in longitude, 

 Appt. inclination. 

 Central angle at immer. 

 Arch firft, 

 Arch third. 

 Parallax in longitude, 



3 o 13 20 



20 3S 



32 5 5 



52 9. 

 61 ri.3 

 9.8 



61 1.5 



ji 28 40 

 14 37 



51 

 59 

 64 



14 3 



3 56 



14 a 



22 56.2 



32 4-8 



43 8.4 

 9 369 



33 31-5 



23 8 



44 16 

 7 24 



16 40.2 

 22 56.2 



At emerlion, 



Moon's true mot. in latitude, 

 DiiF. par. in latitude, 



Appt. mot. in latitude, 

 Appt. mot. in orbit, 

 At emerfion. 

 Arch fecond, 

 Arch fourth, 



6t 0.8 



61 19 24 

 76 32 Ij 



13 19-3 



3° 5-5 



3 58-3 



I 59-3 



I S9.0 

 iZ 3i-o 

 4 43 54 

 I 20 46 



i<5 5 '-3 

 13 »9-3 



3 32-0 



Sum, - '39 36.4 Diffet-ence, 



Hence the interval between h, ' " Interval between the emer. 



the immer. and conj, i 3 14.8 and conjundlion, 5 38.5 



Appt. time of immer, 11 22 51.7 Appt. time of emer. 12 31 45. 



Appt. time of conj. 



12 26 6.5 



12 26 6.j 



At 



