Observed Positions oj Sun-Spots 
151 
Letter 
Ja 
JS 
b 
L 
L' 
Letter on 
next date 
1869 April 1 
3 h s m 
a 
-56^2 
—121" 
+ 12° 
42 ' 
182° 50' 
74 ° 
25' 
a 1 
55-3 
- 72 
+ 14 
46 
185 
53 
77 
28 
a 2 
53 - 2 
- 44 
+ 15 
5 
190 
0 
81 
35 
b 
3 6 -7 
+ 174 
+ l8 
45 
214 
47 
106 
22 
c 
+ 17.1 
+ 656 
+ 24 
i 5 
277 
5 ° 
169 
25 
a 
d 
62.3 
+ 3 ° 
-25 
20 
3*7 
55 
209 
30 
April ic 
22* 
1 45 m 
a 
— 60.0 
+ 53 
+ 24 
53 
170 
33 
185 
55 
b 
5-5 
-253 
-17 
3 
221 
22 
236 
44 
L 
b l 
-f 1.0 
-251 
-19 
38 
226 
43 
242 
5 
r 
c 
41.9 
+ 44 
-l8 
47 
272 
5 
287 
27 
b'? 
d 1 
52.2 
4 - 84 
-I 9 
45 
286 
33 
3 DI 
55 
b 4 
53 - 1 
+ 5 6 
— 21 
38 
287 
34 
3 ° 2 
5 6 
+ 54 
>b 
d 2 
54-3 
+ 42 
— 22 
24 
289 
22 
3°4 
44 
April 13 o h 
8 m 
a 
“ 33-7 
“534 
-19 
i 5 
181 
15 
239 
32 
A 
b 1 
4-12.1 
-150 
-l8 
21 
235 
5 ° 
294 
7 
b 
1 n 
*-S 
18.1 
I 9*5 
-119 
-136 
-I 9 
43 
242 
14 
3 °° 
3 1 
b 2 
b* 
20.4 
-171 
— 22 
45 
242 
35 
3 °° 
52 
b 3 
b 4 
23.1 
- 93 
-19 
24 
246 
5 ° 
3°5 
7 
b 4 
b n 
s 
23.1 
25.1 
— no 
-138 
— 21 
32 
247 
4 
3°5 
21 
b 1 b 2 
¥ 
26.2 
— 108 
— 21 
26 
249 
26 
3°7 
43 
b 3 
b 6 
27-3 
— 201 
-27 
10 
248 
3 ° 
306 
47 
c 
3°-4 
+ 708 
+ 23 
42 
284 
22 
342 
39 
\ £ 
c 1 
3 1 - 2 
+ 702 
+ 23 
4 
284 
47 
343 
4 
f 
April ic 
22 h 55 m 
a 
— 46.1 
— 628 
-17 
18 
152 
3 6 
238 
14 
a 1 
45-2 
— 614 
-17 
14 
j 56 
40 
242 
18 
a 2 
45-2 
-634 
-l8 
7 
1 53 
54 
239 
32 
a 3 
42.6 
— 648 
— 20 
16 
i 57 
27 
243 
5 
b l 
10.9 
-320 
-l8 
4 
209 
52 
295 
3 ° 
a 1 
b 2 
8.0 
-308 
-l8 
39 
212 
39 
298 
17 
a 2 
b* 
4.4 
-341 
— 21 
48 
214 
32 
3 °° 
10 
a 5 
b 4 
2.2 
-297 
— 20 
28 
217 
48 
3°3 
26 
P 
O.I 
— 214 
— l6 
49 
222 
12 
3°7 
5 ° 
b 6 
+ 1.2 
-265 
— 20 
7 
221 
37 
3°7 
i 5 
br 
0.4 
-288 
— 21 
3 
220 
14 
3°5 
S 2 
b =s 
1.0 
2.0 
-285 
-302 
— 21 
54 
220 
54 
306 
32 
a 3 
b 3 U 
3 s 
2.7 
3-8 
— 269 
-285 
— 21 
37 
222 
57 
3 ° 8 
35 
a 6 
Ut 
C 0 
© 3 
s 
Ja 
jd 
b 
L 
L' 
u> T 3 
O 
3 S 
b 7 
+ ii?6 
-297" 
-26° 
10' 
229° 
28' 
3 T 5 ° 
6' 
c 
n -5 
4-581 
4-22 
49 
255 
26 
34 i 
4 
c 1 
16.4 
4-607 
4-22 
3 i 
26l 
3 
346 
4 i 
b 2 
c 2 
19.4 
+ 659 
-t-24 
42 
266 
47 
352 
25 
c 3 
19.4 
4-618 
4-22 
4 
264 
26 
35 ° 
4 
b 3 
c 4 
20.1 
4-652 
+ 23 
58 
267 
2 
352 
40 
b 4 
d 
61.1 
4 - 49 
-23 
3 i 
298 
32 
24 
10 
d 
April 18 23 
h Q m 
a 1 
-38.9 
-583 
-19 
8 
167 
2 
294 
49 
a 2 
37-9 
-554 
-18 
21 
170 
33 
298 
20 
a 3 
37-5 
-574 
-19 
33 
169 
35 
297 
22 
a 4 
34-2 
~ 5 6 3 
— 20 
3 6 
I 74 
14 
302 
1 
a 5 
33-4 
-588 
— 22 
i 5 
173 
J 9 
3 QI 
6 
a 1 
30.8 
“549 
— 21 
27 
178 
44 
306 
3 i 
n 
% 
3°-4 
2 9-3 
-550 
~ 5 6 5 
— 22 
21 
179 
11 
306 
58 
a* n 
28.9 
-541 
— 22 
24 
181 
25 
309 
12 
s 
27.9 
-550 
b 
25.8 
+ 3 I 4 
4-22 
45 
211 
48 
339 
35 
b 1 
23.2 
+ 337 
4-22 
5 6 
214 
46 
342 
33 
a 
b 2 
I 9-9 
+ 353 
4-22 
26 
218 
6 
345 
53 
b 3 
i 5-4 
+ 392 
4-22 
47 
223 
3 
35 o 
5 ° 
b 4 
14.2 
+ 424 
4-24 
10 
225 
4 
352 
5 i 
c 1 
+ 20.9 
4-241 
4 - 0 
9 
248 
27 
16 
14 
c 
24.1 
+ 255 
— 0 
J 3 
25 1 
38 
J 9 
25 
d 
37-8 
- 69 
— 22 
53 
257 
2 
24 
49 
n 
e 
s 
46.1 
46.9 
+ 653 
+ 630 
+ 15 
12 
299 
47 
67 
34 
c 
e l 
46.1 
4-621 
+ 14 
11 
296 
14 
64 
1 
April 23 
22 h 
34 m 
a 
-64.4 
- 7 
- 28 
4-22 
53 
J 43 
53 
34 i 
35 
a 1 
60.6 
- 67 
+ 17 
33 
x 55 
12 
352 
54 
b 
37-5 
— 671 
-24 
5 ° 
J 5 6 
9 
353 
5 1 
n 
c 
s 
1.8 
°*5 
+ 346 
+ 335 
+ 1 4 
27 
228 
19 
66 
1 
b 
d 
+ 20.5 
+ 747 
+ 31 
27 
266 
27 
104 
9 
April 25 4 1 
1 j m 
a 
- 57-0 
4 - 42 
4-21 
32 
162 
42 
3 i 
40 
a 1 
55-2 
4 - 81 
4-22 
54 
166 
J 9 
35 
15 
b 5 
n 
30.2 
29.1 
+ 123 
+ 139 
+ 14 
9 
196 
58 
6 5 
56 
a 
b l 
28.0 
+158 
4 -14 
59 
I 99 
4 
68 
2 
c 
26.3 
+ 333 
4-24 
32 
204 
28 
73 
26 
d 1 
4-42.6 
+ 561 
4-12 
26 
276 
48 
J 45 
46 
c 1 
.. 
