Calcutta , Madras , and Bombay, in the East Indies. 
Longitude of the Observatory by correcting the Tables, from 1803 
to 1815. 
Date. 
Satellites. 
Immersions 
or 
Emersions. 
Mean Tim 
by the 
Nautical 
Almanac. 
Mean Time 
observed at 
Madras. 
Longitude of 
Madras by 
Tables. 
Difference of 
the Tables. 
Longitude of 
Madras. 
1803. 
h. m. s. 
h. m. s. 
h. m. s. 
m. s. 
h. m. s. 
Feb. 
I 
Im. 
6 I 52 
II 23 14,53 
5 21 22,43 
0 18,0 
5 2 1 4.4 
i£ 
2 
Im. 
8 5 34 
13 27 1,39 
5 21 27,39 
0 28,0 
5 20 59,4 
March 15 
2 
Im. 
5 5 33 
IS 26 35,37 
5 21 2,37 
0 28,0 
5 20 34.4 
April 2 
2 
Em. 
2 11 22 
7 32 1 8 , 4 8 
5 20 56,48 
+0 24,0 
5 21 20,5 
2C 
I 
Em. 
5 6 25 
10 27 32,30 
5 21 7,30 
— 0 21,0 
5 20 46,3 
27 
I 
Em. 
7 0 45 
12 21 46,86 
5 21 1,66 
— 0 21,0 
5 20 40,6 
May it 
I 
Em. 
5 18 1 7 
10 3g iq, 66 
5 21 2,66 
2C 
I 
Em. 
7 12 47 
12 33 55,26 
5 21 8,26 
July 7 
I 
Em. 
2 6 1 
7 27 20,01 
5 21 19,01 
+0 6,0 
5 21 25,0 
1804. 
Jan. 12 
I 
Im. 
8 44 19 
14 5 7,60 
5 20 48,60 
26 
I 
Im. 
12 31 8 
17 15 10,15 
5 21 2,15 
1 f 
5 21 6,7 
April 22 
I 
Em. 
7 52 54 
13 14 I 3 A 9 
5 21 19,19 
> 4-0 < 
5 21 24,7 
24 
I 
Em. 
2 21 23 
7 42 42,67 
5 21 19,67 
1 1 
5 21 24,2 
May 1 
I 
Em. 
4 15 41 
9 3 6 40,83 
5 20 59,33 
J l 
5 21 4,3 
4 
2 
Em. 
2 45 28 
8 6 51,90 
5 21 23,90 
> 4 -o o.c J 
5 21 33,4 
8 
I 
Em. 
6 10 3 
1 1 30 41,00 
3 20 38,90 
5 20 48,4 
1805. 
March 10 
I 
Im. 
8 l s 31 
13 3 6 34, 6 3 
5 21 3,63 
23 
2 
Im. 
10 33 21 
15 55 11,66 
5 21 50,66 
24 
I 
Im. 
12 228 
17 23 25,33 
5 20 57,33 
26 
I 
Im. 
6 3 ° 54 
11 51 50,60 
5 20 56,60 
April 2 
I 
Im. 
8 24 32 
13 45 25,56 
5 20 53,56 
18 
I 
Im. 
6 40 25 
12 1 18,63 
5 20 53,63 
25 
I 
Im. 
8 34 21 
13 55 n ,33 
5 20 50,33 
May 4 
I 
Im. 
4 57 0 
10 18 17,34 
5 21 17,34 
July 21 
I 
Em. 
4 7 35 
9 28 4,35 
5 20 29,35 
28 
I 
Em. 
6 2 42 
11 23 24,26 
5 20 42,26 
1806. 
Feb. 18 
I 
Im. 
” 6 43 
16 27 34,86 
5 20 51,86 
April 14 
I 
Im. 
7 44 3 1 
13 5 0,71 
5 20 29,71 
18 
2 
Im. 
909 
14 21 47,09 
5 21 38,09 
21 
I 
Im. 
9 37 57 
14 58 50,76 
5 20 53,76 
May 14 
I 
Im. 
9 47 11 
15 7 53,87 
5 20 42,87 
+0 34,0 
5 2 1 16,9 
27 
2 
Im. 
11 652 
16 28 55,43 
5 22 3,43 
Sept. 4 
2 
Em. 
1 46 52 
7 7 43.26 
5 20 51,26 
+ 0 12,0 
5 21 3.2 
Oct. 6 
2 
Em. 
1 28 30 
6 49 16,34 
5 20 46,34 
— 0 22,0 
5 21 8,3 
1807. 
May 3 
I 
Im. 
9117 
14 32 19,06 
5 21 12,06 
10 
I 
Im. 
11 4 31 
16 25 40,30 
5 21 9,30 
26 
I 
Im. 
9 19 47 
H41 3,23 
5 21 16,23 
June 2 
I 
Im. 
H 13 22 
16 34 32,96 
5 21 10,96 
Aug. 1 1 
2 
Em. 
6 53 3 i 
12 14 41,88 
5 21 10,88 
} +0 15.5 { 
5 21 26,4 
29 
2 
Em. 
1 21 19 
6 42 12, 8 
5 20 53, 8 
5 21 9,3 
3 ° 
I 
Em. 
1 20 20 
6 41 8, 6 
5 20 48, 6 
+ 0 15,5 
5 21 4,1 
Oct. 6 
I 
Em. 
5 27 36 
in 48 26, 1 
3 20 50, 1 
+ 0 8,0 
5 20 58,1 
22 
I 
Em. 
3 4 8 10 
9 9 2, 
; 20 50, 0 
—0 3,2 
5 20 48,8 
Nov. 7 
I 
Em. 
2852 
7 29 40, 
j 20 47, 0 
+ 0 1,4 
5 20 48,4 
1808. 
May 21 
I 
Im. 
0 53 36 
16 14 40,18 
21 4,18 
June 13 
I 
Im. 
1 2 31 
16 23 43,57 
21 12,57 
22 
2 
Im. 
2 5 34 
17 26 29,67 
20 55,67 
29 
' 
Im. 
9189 
14 39 22,54 
21 13,54 
3H 
MDCCCXXII, 
