[ 370 ] 
Immerfions and Emerfions of Jupiter’s Satellites, obferved 
in James’s Valley. 
1 761. 
Day of the Month 
h 061 . 10 
if 061 . 15 
? 061 . 1 6 
D Nov. 9 
if Nov. 11 
D Nov. 23 
T? Nov. 28 < 
O Nov. 29 
G Dec. 6 | 
1 762. 
O Ja n. 10 
Apparent Time. 
H 
// 
12 48 38 
13 36 10 
10 3 40 
10 3 45 
8 19 54 
12 40 19 
12 9 C2 
7 39 18 
7 39 13 
10 817 
10 10 13 
7 9 48 
9 43 36 
9 43 33 
7 37 42 
Em. 2 Sat. 
Em. i Sat. 
Em. 3 Sat. 
'Ditto by Mr. Mafon (who ar- 
rived here to-day from the 
Cape of Good Hope) with 
a two foot refle6Iing telefcope. 
Em. 1 Sat. lnftantaneous both 
to myfelf and Mr. Mafon, 
exa6tly at the fame fecond, 
in different houfes. Air very 
clear, and Satellite increafed 
its light very faft. 
Em. 2 Sat. by Mr. Mafon. I 
miffed the inftant of Emer- 
fion by moving the (land of 
my telefcope. Air very clear. 
Em. 1 Sat. 
Imm. 3 Sat. Air a little hazy. 
Ditto by Mr. Mafon. 
3 Sat. had not em. Then clouds. 
| Ditto plainly out, though not 
t near arriv’d to its full luftre. 
2 Sat. had emerg’d. Its light 
was fo weak, it probably 
i had not been out above 15 
L feconds. 
Em. 2 Sat. 
Ditto by Mr. Mafon. 
i 
Imm. 3 Sat. 
N. B. This mark (:) affixed to any obfervation lignifies that it is a little 
uncertain. 
Objcrvatiom 
