FAVOURABLE TO THE INVESTIGATION OF PARALLAX. 
343 
Table I. (Continued.) 
Year, Month 
and Day. 
Fraction 
of year. 
Position. 
Probable 
error. 
Computed 
weight. 
Assigned 
weight. 
Distance. 
Assigned 
weight. 
Magnitudes. 
Colours. 
Observer. 
O 
/ 
/ 
100 Herci 
ills. 
1843. Mar. 28. 
•235 
1 
25 
10-02 
10 
6 
13-855 
6 
6-7—7 
Bluish. 
G. 
Apr.* 13. 
•279 
0 
50 
18-24 
3 
4-5 
14-471 
4-2 
5—5-6 
Bluish. 
W.andG. 
18. 
•293 
o 
6 
10-87 
9 
5 
14-508 
5 
6—6 
Bluish. 
G. 
Aug.f 22. 
•638 
2 
52 
6-02 
28 
8 
14-276 
8 
6—6 
White. 
G. 
24. 
•643 
2 
20 
2-77 
130 
8 
13-951 
8 
6—6 
White. 
G. 
30. 
•660 
2 
34 
6-62 
23 
7 
14-057 
7 
7—7 
White. 
G. 
1844. Aug. 30. 
•663 
2 
12 
10-24 
10 
5 
13-916 
5 
6—6 
Light blue. 
P. 
Sept. 7- 
•684 
2 
41 
6-33 
25 
5-7 
13-941 
5-7 
6—6 
Bluish. 
P. 
10. 
•693 
2 
38 
4-44 
51 
5-9 
14-031 
5-9 
6—6 
Bluish. 
P. 
1845. Mar. 11. 
•189 
1 
34 
10-94 
8 
5-3 
13-986 
5-1 
6—6 
Blue. 
P. 
17. 
•205 
1 
44 
11-08 
8 
6 
14-031 
6 
6-7-6-7 
Bluish. 
P. 
19. 
•211 
1 
41 
13-06 
6 
6-3 
13-858 
6-3 
6-7-6-7 
Yellowish blue. 
P. 
Aug. 24. 
•643 
2 
11 
3-80 
69 
7 
13-772 
6-7 
6-7-6-7 
Blue. 
P. 
27. 
•652 
1 
54 
3-26 
94 
6 
14-022 
6 
6-7-6-7 
Bluish. 
P. 
28. 
•654 
2 
1 
4-61 
47 
7 
13-900 
6-9 
6—6 
Yellow. 
P. 
29. 
•657 
2 
18 
3-63 
76 
6 
14-015 
6 
6—6 
Yellow. 
P. 
1846. Aug. 29. 
•657 
2 
32 
6-24 
26 
2-3 
13-944 
2-4 
6-7— 6-7 
Pale yellow. 
P. 
Sept. 2. 
•668 
2 
9 
6-51 
24 
6-1 
13-893 
5-8 
7—7 
Pale yellow. 
P. 
4. 
•674 
2 
9 
7-13 
20 
5-6 
13-970 
5-9 
7-7 
Pale yellow. 
P. 
1847. Mar. 18. 
•208 
2 
45 
4-73 
45 
5-1 
13-989 
5-2 
6-7-6-7 
Bluish. 
P. 
28. 
•235 
2 
57 
8-09 
15 
4-2 
13-977 
4-3 
6-7-6-7 
Pale yellow. 
P. 
Sept. 8. 
•684 
2 
45 
5-49 
33 
6-8 
13-993 
6-5 
6-7-6-7 
Pale yellow. 
P. 
27. 
•736 
2 
10 
6-00 
28 
6-6 
13-941 
6-5 
6-7— 6-7 
Pale yellow. 
P. 
1848. Sept. 4. 
•676 
2 
30 
4-99 
40 
5-5 
13-826 
5-7 
6-7— 6-7 
Yellow. 
P. 
16. 
•709 
2 
25 
4-61 
47 
6-7 
13-993 
6-6 
6-7— 6-7 
Yellow. 
P. 
1849. Sept. 8. 
•684 
1 
4 
4-52 
49 
5-3 
14-083 
5-6 
7—7 
Yellow. 
P. 
Oct. 9. 
•769 
1 
41 
5-22 
37 
5-2 1 
14-057 
5-3 
6-7— 6-7 
Yellow. 
P. 
579 Struve. 
1843. Sept. 9. 
•687 
159 
56 
6-83 
22 
7 
5-249 
7 
9—9 
White. 
G. 
16. 
•706 
159 
29 
12-44 
7 
7 
5-056 
7 
9—9 
White. 
G. 
20. 
•717 
159 
25 
11-14 
8 
6 
4-850 
6 
9—9 
White. 
G. 
1844. Oct. 5. 
•761 
160 
8 
12-41 
7 
5-1 
5-441 
4-9 
8—8 
Bluish. 
P. 
7. 
•767 
159 
28 
26-85 
1 
3-4 
5-240 
3-6 
8-9— 8-9 
Light blue. 
P. 
10. 
•775 
160 
8 
10-14 
10 
5-7 
5-332 
5-5 
8-9— 8-9 
Bluish. 
P. 
15. 
•789 
159 
36 
14-68 
5 
5-9 
5-299 
5-6 
8-9— 8-9 
Light blue. 
P. 
1845. Apr. 6. 
•260 
159 
2 
20-31 
2 
6-2 
5-188 
6 
8-9— 8-9 
Light blue. 
P. 
Oct. 5. 
•758 
158 
4 
14-47 
5 
5-5 
4-981 
5-5 
8-9— 8-9 
Bluish. 
P. 
11. 
•775 
158 
44 
21-23 
2 
5-5 
5-092 
5-2 
8-9— 8-9 
Bluish. 
P. 
13. 
•780 
158 
37 
10-08 
10 
5-2 
5-111 
5-4 
8-9— 8-9 
Bluish. 
P. 
1847. Oct. 7. 
•764 
159 
22 
13-02 
6 
4-5 
4-875 
5 
8—8 
White. 
P. 
12. 
•778 
159 
20 
16-32 
4 
3-3 
4-976 
3-1 
8—8 
Pale blue. 
P. 
* Apower of 140used. t A power of 320 used. 
2 Y 2 
