[ 3° 6 ] 
PLANE OF THE 
cc 
Lyras. 
7 
Androm. 
/3 Perfei. 
1766. 
0 
/ 
// 
O 
/ n 
O 
/ n 
December* 
'3 
1 
15 £4*8 
13 
0 
6 20,3 
*5 
1 
15 55.° 
15 
0 
6 21,7 
t6 
1 
>5 55>7 
16 
0 
6 21,0 
I 
21 
42,0 
'r*' 
19 
I 
21 
43.5 
>9 
0 
6 20,2 
* 
21 
1 
21 
4*»7 
Mean 
1 
21 
42,40 
1 
15 5 5 » 1 7 
0 
6 20,80 
Aberration 
4- 
2,20 
— 
11,76 
— 
9,20 
Deviation 
— 
5,66 
— 
7,60 
— 
8,19 
I%cefs. 
4- 
o,4 s 
— 
3,12 
— 
2,64 
Refrattion 
+ 
i>3 6 
4- 
1,26 
+ 
0,10 
Mean zen. dift.Cft. 1 1, 
1766 
1 
21 
OO 
0 
Tt- 
1 
15 33.95 
0 
6 0,87, 
PLANE OF 
THE 
1766. 
December. 
21 
0 
6 29,7 
24 
1 
21 
36,0 
2 4 
1 
16 4,8 
24 
6 30,2 
♦ « ^ 
27 
21 
35*3 
27 
16 4,0 
27 
6 29,5 
1 
• 
• • 
• • • 
28 
16 3,7 
28 
6 28,5 
Mean 
1 
21 
35> 6 ? 
1 16' 4,17 
0 
6 29,48 
Aberration 
4- 
0,15 
— 11.63 
— 
9»5' 6 
Deviation 
— 
5,66 
— 7,60 
— 
8,19 
Precefs. 
4- 
o.53 
— 3,76 
— 
3.° 5 
Refra&ion 
4- 
1,36 
4- 1,26 
+ 
0,10 
Mean zen. dift. Oft. 1 1 , > 766 
1 
21 
3 2 >°3 
1 15 42,44 
0 
6 8,78 
D° Plane Eaft 
1 
2 1 
40.78 
1 13 33.95 
0 
6 0,87 
I 21 36,42 I 15 38,19 o 6 4,87 
0 7 10,79 2 44 2 3’ 10 I 34 49> 2 3 
1 28 47,21 1 28 44,91 ! 28 4.1,40 
28 44,91 
44>4° 
43.9 s - 
4f.o9 
44.34 
1 28 44,99 — the true celeftial arch between the. 
points N and A. 
True mean zen. dirt:- 11 03 . 
1766, at the point N. / 
D° at the point A. 
Difference 
Mian 
