Eclipses of the Satellites of Jupiter. 
32 9 
Table I. First Satellite continued. 
T 
Day. 
Im 
or 
Em. 
Time of Observation. 
Time by 
the Ephe- 
meris. 
Longitude of 
Madras by the 
Tables. 
Apparent. 
Mean. 
h 
< 
U 
h 
/ 
II 
h 
' 
II 
h 
/ 
ll 
Mar .27 
Em. 
1 1 
49 
49,6 
1 1 
55 
20,2 
6 
29 
6 
5 
20 
43 > 6 
29 
Em. 
6 
18 
52,7 
6 
2 3 
5°>3 
0 
58 
21 
5 
20 
307 
Apr. 5 
Em. 
8 
3 5 
48 
8 
18 
35>5 
2 
55 
2 3 
5 
20 
2 5 
1 2 
Em. 
10 
15 
37 
10 
16 
24,8 
4 
5 2 
1 9 
5 
2 3 
18 
28 
Em. 
8 
35 
4>4 
8 
3 2 
2 5>3 
3 
•4 
2 4 
5 
20 
40,4 
May 21 
Em. 
8 
49 
5 3 >4 
8 
46 
6 
3 
29 
8 
5 
20 
45’4 
Nov. 3 
Im. 
15 
3 2 
1 1 
»5 
15 
5 6 >5 
to 
13 
43 
5 
18 
28 
l 9 
im. 
13 
47 
38 
1 3 
33 
* 9>3 
8 
2 7 
*5 
5 
20 
2 3 
26 
Im. 
*5 
34 
46 
15 
22 
2 5 
10 
18 
49 
5 
15 
57 
Dec. 3 
im. 
17 
3 ° 
6 
*7 
20 
20,3 
12 
9 
3 6 
5 
20 
3 ° 
2 b 
Im. 
1 7 
2 7 
59 
17 
29 
5>7 
12 
7 
2 4 
5 
20 
35 
1802. 
Jan. 18 
Im. 
i 7 
27 
0 
*7 
37 
53’8 
I 2 
6 
16 
5 
20 
44 
Feb. 5 
Im. 
10 
7 
2 5 
10 
21 
5 ° 
4 
46 
55 
5 
20 
3 ° 
*9 
Im. 
>3 
54 
59 > 2 
H 
9 
107 
8 
34 
38 
5 
20 
2 1,2 
28 
Em. 
12 
34 
10,3 
1 2 
47 
10,5 
7 
1 3 
3 ° 
5 
20 
O 
Mar. 7 
Em. 
H 
29 
1 1 
14 
40 
31,6 
9 
9 
9 
5 
20 
2 
9 
Em. 
8 
58 
l 7 
9 
9 
1 1 
3 
38 
6 
5 
20 
1 1 
16 
Em. 
10 
54 
22,7 
1 1 
3 
20,4 
5 
34 
14 
5 
20 
8,7 
Apr. 8 
Em. 
1 1 
14 
37>5 
1 1 
16 
36,7 
5 
5 2 
55 
5 
21 
4 2 ’5 
1 7 
Em. 
7 
38 
34>4 
7 
38 
1 1 
2 
18 
2 4 
5 
20 
10,4 
]une2<; 
Em. 
8 
15 
2 3 
8 
r 7 
2 3>4 
2 
53 
9 
5 
22 
4 
Oct. 30 
Im. 
16 
34 
29 
16 
17 
* 9’5 
1 1 
13 
57 
5 
20 
3 2 
Nov. 2 2 
im. 
16 
41 
31 
16 
27 
55 
1 1 
20 
55 
5 
20 
36 
Dec. 15 
Im. 
16 
45 
48 6 
16 
41 
18,6 
1 1 
20 
55 
5 
2 4 
33 ’ 6 
3 ' 
Im. 
H 
48 
44 ’ 6 
*4 
5 2 
9,6 
9 
28 
22 
5 
20 
22,6 
Circumstances of Weather, &c. 
Planet rather low, but clear. 
Clear. Planet high. Twilight. 
Planet high. Rather hazy. 
Clear. if. high. The observation not satisfactory. 
Planet high, but hazy. 
Clear, and planet high. The D up. 
Planet high. A thin haze. 
Planet low and tremulous. 
Planet high, but covered with a thick haze. 
Clear. Of. in the zenith. Twilight just appearing. 
Clear, if. high, but near the D . Twilight beginning. 
Planet high. Rather hazy. D up. Twilight. 
Clear. Planet high. 
Clear. Planet high. ]) near If.. 
Clear. Planet high. 
Planet high. Clear. 
Clear. Planet high. 
Clear. Planet high. D near If, and almost full. 
Planet high. Hazy. 
Clear. Of in the zenith. 5 rising. 
Planet high, but misty. Telescope not steady. 
Planet rather low and tremulous. Air clear. 
Planet rather low, but clear. 
Clear. Of near the ]) . Uncertain observation*. 
Clear. Planet high. 
U u 
MDCCCVIIL 
