1878.] Dr Pearson, On a series of lunar distances. 



VJo 



length in his Astronomische Untersuchungen, Vol. il. pp. 266 — 307: 

 it was originally printed in the Astron. Nachrichten for 1832. It 

 will be remembered that the problem in this case is to compute 

 what the apparent distance of the limbs of the Sun and Moon will 

 be at a given Paris time. Bessel, in his own paper, gives an 

 example of Tables constructed to intervals of three hours, and 

 interpolates the data for a time intervening between two given 

 times; I myself have found it more convenient to compute the data 

 for a certain time directly. 



March 30, 1876. 



]) and © a = 4''41'°39"i 

 ^ = 37 364 

 P.M.T. 2'' 26'° 38" a-A = l 4 ^ 

 L.M.T. 2 17 47 



cos (a -^) =9-6854174 



sin 5 = 9-6620231 cos 5 = 9-9485701 



sin A = 8-8495056 cos A = 9-9989114 



log {a) =8^5115287 log [h) = 9-6328989 



27" 20' 13" 

 4 3 18 



TT 59' 27" 



tt' ... 8" -86 

 e = -0816 



a = 

 b = 



•0324735 

 •4294364 



{a + h)= -4619099 

 log {a + b)=^ 9-6645573 = log cos 620 29' 22"i : 



