v( 37 ) 
%l: BxtraSl of a Letter to the ]^nh\\{htx from 
Monf. De Liflc, -JJh'onomer ^yal at Pecers- 
burghj containing his Obfery at ions of the Eclipfes 
of Jupiter’s Satellites /rom July loth, 1726', 
to April I'lth, 1728, taken at that Place. 
Petersburgh, Jtily hi in 8.' 
SIR, 
I Send you at prefent all the Obfervations of the 
Satellites ai Jupiter that I have made here the 
two laft times of his Appearance ^ and I don’t queflion 
but there willbe Number fufficient to fettle the Differ- 
ence of our Meridians, by comparing them with the 
Obfervations made in England^. The following were 
made with common Telefcopes of 13, ly, 20 t, and. 
22 Foot ; and are very good ones — 
1726 
Sep 
on. 
^ec. 
D. 
10 
9 
18 
10 
22. 
19 
28 
6 
H. ' 
12 47 
14 51 
II 15 
What Ecliple} ^elepofe, 
Im. of the I ft* 15 Foot. 
II 
II 
11 
16 
12 
^9 
1727. 
Jan, 
15 
32 
32 
13 
21 
8 47 
7 II 
10 30 
10 3c 
7 15 
7 15 
30 
4<5 
51 
5 ^ 
20 
8 
18 
31 
Immer. — 
Immer. 
Immer. —r 
Immer. ' 
Immer. — 
Immer. — > 
Em. 
Em. 
Em. 
Em. 
38 Em. 
48 
Em. 
Pm. 
1 15 
20 I 
and 
22 
15 — 
— I 
— • I 
•— I 
210 5p 46 Immer. — 3 
II 017 Immer. — »— ■ 
z 
20 4 
15 
15 . 
15 
20 I 
20 f 
15 
20 i 
15 — 
15 
20 I •— * 
a little doubtful, 
doubtful near 15''', 
to fome 
fomewhat doubtful. ' 
exaft. 
exaft. 
exa6f. 
exaft. 
Air foggy. . 
Feh 
\ 
