86 



TABLES OF NEPTUNE. 







Radius Yector. 









22 

 155 



24 



158 



26 

 163 



41 

 176 



44 



178 



Ri.i sin I 

 ■Rc.\ cos I 

 5 log r, 

 5logr, 

 <5 log rs 

 Prin. term 



3 

 154 



82 



10 



366 



1.4750064 



156 

 77 

 17 



524 



1.4749650 



4 



158 



73 



23 



691 



1.4749250 



11 



169 



48 



129 



1394 



1.4747074 



13 



170 



44 



154 



1396 



1.4746754 



log r 



1.4750679 



1.4750427 



1.4750199 



1.4748825 



1.4748531 



Latitude. 



log sin u 

 log sin i 

 log sin /9o 



B,i sin I 

 B^^ COS I 



<5A 



9.922246 



8.492852 

 8.415098 



0^47 

 0.01 



+ 0.05 

 + 0.01 

 + 0.28 

 — 0.54 

 — 129 25.02 



9.927565 



8.492842 

 8.420407 



OAQ 

 0.00 



+ 0.06 



0.00 



+ 0.26 



— 0.56 



— 130 31.03 



9.932667 

 8.492831 



8.425498 



o"45 

 0.00 



+ 0.07 



0.00 



+ 0.24 



— 0.55 



— 13135.09 



9.958964 

 8.492764 

 8.451728 



0.38 

 0.00 



+ 0.10 



0.00 



+ 0.08 



+ 0.12 



— 137 17.28 



9.962660 

 8.492753 

 8.455413 



0.37 

 0.00 



+ 0.11 



0.00 



+ 0.05 



+ 0.25 



— 138 7.04 



Latitude 



— 1 29 25.22 



— 130 31.27 



— 13135.33 



— 1 37 16.98 



— 138 6.63 



1 



Inserting the results for the five middle dates, the computations of which have 

 been omitted in printing, for want of space, we have the following heliocentric 

 ephemeris of Neptune : 



Date. 



Longitude (mean 



Logarithm of radius 







equinox of date). 



vector. 





1864, Oct. 13 



o ; n 



7 16.47 



1.4750679 



— 1 29 25,22 



1865, Apr. 11 



8 6 7.43 



1,4750427 



— 1 30 31,27 



Oct. 8 



9 12 1.05 



1.4750199 



— ] 31 35,33 



1866, Apr. 6 



10 17 57.51 



1,4749986 



— 1 82 37,36 



Oct. 8 



11 23 56.84 



1.4749778 



— 1 83 37.41 



1867, Apr. 1 



12 29 58.92 



1.4749567 



— 1 34 35.41 



Sept. 28 



13 36 3.52 



1.4749342 



— 1 85 31.38 



1868, Mar. 26 



14 42 10.14 



1.4749097 



— 1 36 25.26 



Sept. 22 



15 48 18.39 



1.4748825 



— 1 37 16,98 



1869, Mar. 21 



10 54 27.73 



1,4748531 



— 1 38 6,63 



These co-oi'dinates being interpolated to every ten days, and corrected for 

 nutation, the geocentric co-ordinates may then be computed and corrected for 

 aberration in the usual way. 



