342 
LORD WROTTESLEY ON THE PERIODICAL OBSERVATION OF STARS 
Table I. (Continued.) 
Year, Month 
and Day. 
Fraction 
of year. 
Position. 
Probable 
error. 
Computed 
•weight. 
Assigned 
weight. 
Distance. 
Assigned 
weight. 
Magnitudes. 
Colours. 
Observer. 
1845. Aug. 7. 
•597 
194 
40 
/ 
5-4 
3-105 
5-2 
4-5—6 
Yellow. 
P. 
16. 
•621 
194 
53 
5-4 
2-910 
5-6 
4—5-6 
Yellow. 
P. 
Aug. 28. 
•654 
195 
20 

6-6 
2-990 
6-6 
4—6 
Yellow and light blue. 
P. 
1846. July 25. 
•561 
194 
35 
4-9 
2-829 
4-6 
3-4— 5-6 
Yellow and light blue. 
P. 
30. 
•575 
195 
4 
1-5 
2-970 
1-4 
3-4—5 
Yellow and pale blue. 
P. 
Aug. 5. 
•591 
194 
19 
4-9 
2-764 
4-7 
3-4—5 
Yellow and pale blue. 
P. 
1847. Mar. 10. 
•186 
192 
41 
6 
2-903 
5-4 
3-4— 5-6 
Yellow and yellowish. 
P. 
July 29 . 
•572 
193 
32 

4-9 
3-021 
4.4 
3-4—6 
Orange and pale yellow. 
P. 
30. 
'575 
193 
3 
...... 
4-6 
2-974 
4-2 
3-4— 5-6 
Orange and yellow. 
P. 
Aug. 1. 
•580 
193 
35 

6-2 
2-805 
6-3 
3-4—6 
Orange and yellow. 
P. 
1848. Aug. 19 . 
•632 
195 
9 
0-8 
2-847 
0-7 
4-5— 6-7 
Yellow and pale yellow. 
P. 
30. 
•663 
196 
3 

4-3 
2-908 
4-3 
4—6 
Yellow. 
P. 
Sept. 4. 
•676 
195 
11 
4-9 
2-986 
4-7 
4—6 
Yellow and pale yellow. 
P. 
178 
(Bode) Iiibrse. 
1843. Aug. 1. 
•580 
7 
39 
7*92 
16 
7 
!12-374 
7 
8—8 
White. 
G. 
7 . 
•597 
6 
49 
11-65 
7 
5-4 
11-798 
5-4 
8—8 
White. 
G. 
11. 
•608 
8 
14 
8-47 
14 
5 
12-195 
5 
8—8 
White. 
G. 
1845. Feb. 14. 
•120 
7 
15 
15-12 
4 
3 
12-232 
3 
8—8 
Yellow and white. 
P. 
1847. Aug. *2. 
•583 
7 
39 
5-25 
36 
4-2 
11-706 
4-6 
7-8- 7-8 
White. 
P. 
3. 
•586 
7 
15 
7-55 
18 
5-1 
jll-844 
4-6 
7-8— 7-8 
White. 
P. 
Draconis 
1843. Mar.fS. 
•181 
15 
0 

0-8 
2-844 
0-9 
7—7-8 
Bluish. 
W. 
17 . 
•205 
17 
12 
4-3 
3-693 
4-3 
8—8 
White. 
G. 
24. 
•225 
17 
27 
5-7 
3-402 
5-3 
7—7-8 
Bluish. 
W’.andG. 
Aug. 22. 
•638 
17 
47 
6 
3-793 
6 
8—8 
White. 
G. 
26 . 
•649 
16 
36 
6 
3-233 
6 
8—8 
White. 
G. 
26. 
•649 
15 
19 
6-1 
3-271 
6-1 
7-8- 7-8 
Bluish. 
W. 
1844. Aug. 28. 
•657 
17 
46 
4 
3-241 
4 
7-8— 7-8 
Light blue. 
P. 
30. 
•663 
16 
40 
5 
3-238 
5 
7—7 
Light blue. 
P. 
31. 
•665 
17 
5 
5 
3-285 
5 
7—7 
Light blue. 
P. 
Sept. 2. 
•671 
17 
16 
4-2 
3-110 
4-2 
7—7 
Light blue. 
P. 
1845. Aug. 24. 
•643 
13 
16 
6-1 
3-202 
6-1 
7—7 
Bluish. 
P. 
27 . 
•652 
12 
27 
6-8 
3-209 
6-4 
7—7 
Bluish. 
P. 
28. 
•654 
12 
58 
7 
3-199 
6-9 
6-7-6-7 
Bluish. 
P. 
1 846. .Mar. 9- 
•183 
13 
16 
6-9 
3 074 
6-8 
7—7 
Blue. 
P. 
20. 
•214 
12 
29 
5-3 
3-063 
4-8 
7-7 
Blue. 
P. 
Sept. 1. 
•665 
11 
36 
1-8 
2-943 
1-7 
6-7-6-7 
Pale yellow. 
P. 
2. 
•668 
11 
35 
6-5 
2-996 
6-3 
6-7— 6-7 
Yellow. 
P. 
4. 
•674 
11 
52 
6 
3-007 
5-9 
6-7-6-7 
Yellow. 
P. 
1849. Sept. 5. 
•676 
10 
0 
5-2 
2-980 
5-3 
6—6 
Yellow. 
P. 
8. 
•684 
9 
24 
4-6 
3-023 
4-2 
6-7— 6-7 
Pale yellow. 
P. 
* A power of 190 used. 
-f The powers of 320 and 450 used. 
