37§ Obsei'fatiovs on the rnh/c of the cipher, ^c. [Oct. 



On consulting the ophonioris of the Moon; I find that 

 the M&oh^ polar distance is about 79o at? the time of 

 her rising. ' ■ . . ^ , 



cot. col. 



Ty> 50 = 9.3H566 



cot. P. D. = 79 0 9.28a6.' 



OTCh 



COS. liour angle = 92, -^^^ ff^ 

 h. ni. s. 

 in time G 10 20 

 semid. arc. h. m. s. 



X = = (3 10 20 h. m. s. 



«'>Bq<l. 0. 9.80 — m) = 6.2750 6 10 ?,0 



0 5S 10 T ^ U 55 37 



approximate time of rising T' 5 39 7 



iftppa. Z. D. 90 0 0.0 

 refraction ^ + 32 10.3 



Bar. 30'^ t. 80 



90 32 10.3 

 —0 56 20.6 



para = 3.529019 56 20.8 



sin =: 9.999980 



Z = 89 35 49.7 



P= 79 7 21.2 cosec = 



c = 76 .55 .50.8 cosec = 



3.528999 



0.0078740 

 0.0113974 



sum. 



if" 



3 



z 



245 39 1.7 



122 49 30.8 

 29 35 49.7 



sm 



9.9241500 

 33 13 414 Hm sin = 9.7387591 



.^= 46 4 3.2 



6^ := 92 8 6.4 

 h. m. s. 

 in time 6 8 32,43 



^^•^^ ^ 19.6824805 

 ^ 9.8412402 



