the defending Node of Saturn. 4 ? 
Saturn has fpent 9 h. f 44" in going through thofe 41"; and 
Saturn s pajfage through the node happened An guf 2:, 17^4, at 
18 h. 2c/ 1 o'', and the heliocentric longitude of his defcending node 
= 9 s- 21 0 50' 8 v , 5. The errors in the place of the node are 
relative to the tables of Dr. Halley 4- 1 f 39", to the tables 
of M. Casini -f- 16' 4", and to the tables of M. de la 
Lande + i / 31". 
In the foregoing computation of Saturn’s heliocentric longi- 
tude from the tables of Dr. Halley, this longitude has been 
corredted for the perturbation after the principles of M. Lam- 
bert. Though the geocentric places, calculated in this man- 
ner, will agree Hill better with the obfervations than without 
thofe perturbations, neverthelefs they are only empiric, and not 
founded upon the theory and principles of gravitation ; I fhall 
therefore conclude this Paper, by adding the faults in the helio- 
centric places of Saturn, calculated only and diredtly from the 
tables of Dr. Halley, which may be of fome ufe to improve 
thofe valuable tables, 
1784 
T? heliocentric lon- 
gitude from Dr. 
Halley’s tables. 
Error in 
longitude. 
T? heliocentric la- 
titude from Dr. 
Halley’s tables. 
Error in 
latitude. 
s - 0 
✓ // 
/ // 
O 
/ 
// 
// 
July 12 
9 20 
27 40 
+ 9 49 
0 
2 
45 B 
+ 28 
20 
9 20 
42 3 
+ 9 5° 
O 
2 
17 
+ 24 
Aug. 1 
9 21 
3 4 i 
+ 9 3 6 
O 
I 
10 
+ 24 
8 
9 21 
16 19 
+ 9 43 
O 
O 
37 
+ 21 
21 
9 21 
39 45 
+ 9 42 
0 
O 
24 A 
— 22 
27 
9 21 
5° 34 
+ 9 33 
0 
O 
53 
— 26 
3 1 
9 21 
57 47 
+ 9 45 
0 
I 
1 1 
— 21 
Sept. 5 
9 22 
6 48 
+ 9 40 
0 
1 
45 
“24 
15 
9 22 
24 5° 
+ 9 42 
0 
2 
22 
-23 
0£t 8 
9 23 
6 33 
+ 9 44 
0 
4 
1 
— 26 
