PREDICTION OF OCGULTATIONS. 



33 



Calculation of a more accurate Time, etc., of Emersion. 



log cos (^' — d) 



logrcos(|)' 



log A 



logrcos(p'Xcos(A' — d) = logu' 



log sin (h'— d) 



logrcoscp'A. 



log sin D 



Iog»'oosi|)'A.sin(A' — d)smD = logt)' 



log » sin TV 



logMCOsiV" 



log tan iV" 



log sin N 



logw 



(From first determination) log m 



— logf- 



logcos(7)/— iV) 



log sin (if— iV) 



(From first determination) log.^ 



log -!L sin (ilf — N} = log cos vj/ 



log sin r|/ 



log/. 



log i- sin (|/ 



logCO 



log(2) 



(0 



log ^ = 



— log - cos (ilf— iV") = 



(0 + 0) 



(From first determination) 

 For Emersion 270° — iV+ J/ 



Jf 



iV 



M—Jsr 



270° — iV 

 'I' 



Emersion : >S^are Diego Mean Time 



-9.9244 



-9-9253 

 9.4192 

 -9.2689 

 -97342 

 -9-3445 

 -9.6265 

 -8.7052 



-9-5957 

 -8.0492 

 -1.5465 

 -9.9998 



-9-5959 

 -8.6875 

 -9.0916 

 -8.9166 

 ^9-9985 

 -9-2525 

 h9.25io 



^9-9930 



9.4350 



[-9.4280 



H9-8321 



h8.oo82 



I- .OI02 

 h .6794 



91 38 



94 44 



178 22 



79 44 



258 06 



Sid. equiv. for h t^ = 



q — V = 



p — w = 



(From first determination) 

 mcos M+ tneoaN' = 



(From first determination) 

 m sin if -1- < n sin iV = 



(4)» + (3)2 = Z;= = 0.0741 



(From first determination) 

 V -htv' = 



(From first determination) 

 M-f- iu' 



(Reduced to hours and minutes) 



Emersion Angle from North Point 

 Emersion Angle from Vertex = § -h (7 = 



h—d 



— 



2 31 26 



ly- 



-t- 



20 06 



h'—d 



— 



2 II 20 



< 



-t- 



•0395 



v' 



-+- 



.0507 



ncosN 



— 



.0112 



P' 



-H 



.5800 



u' 



-f- 



.1858 



«siniV 



-4- 



•3942 



logu 



■+■ 



9.8386 



logKsiniN' 



■+- 



9-5957 



log tn sin JV 



■+- 



9-4343 



logjicosiV 



— 



8.0492 



log^vicosJV 



— 



7.8878 



t7l COS If 



— 



.0077 



m cos if 



— 



.0484 



(3) 





.0561 



tnsinW 



-1- 



.2718 



m sin if 



— 



.0054 



(4) 





.2664 



(4)" 





.0710 



(3)^ 





.0031 



Check 





.0741 



logu' 



+ 



9.2689 



hgtu' 



-H 



9.107s 



logu' 



-t- 



8.7052 



lo^tv' 



■+■ 



8-5438 



t,/ 



■+■ 



.0350 



V 



■+■ 



.7687 



CCQSG 



+ 



•8037 



til' 



■*- 



.1280 



u 



— 



.5166 



c sin G 



— 



.3886 



log c sin C 



— 



9.5894 



log c cos (7 



-t- 



9.9051 



log tan C 



— 



9.6843 



T-d 





i*(5 "6.6 



i 



-t- 



41.4 



T — d-t-t 





16 58.0 











25 48 



Q 





258 06 



■ r 





232 18 



