344 
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. 
287 1 
1 and S. 
1844. Oct. 5. 
•761 
289 
28 
19-90 
3 
0-8 
7-775 
0-8 
7-8—9 
Light blue. 
P. 
15. 
•789 
291 
22 
13-60 
5 
3-4 
8-486 
3-4 
7-8—9 
Blue and light blue. 
P. 
18. 
•797 
291 
2 
6-63 
23 
4-3 
8-205 
4 
7-8—9 
Blue and bluish. 
P. 
23. 
•810 
291 
17 
4-72 
45 
0-8 
8-557 
0-9 
7-8—9 
Blue and bluish. 
P. 
1845. Apr. 6. 
•260 
290 
54 
8-44 
14 
3-5 
8-486 
3-4 
7-8— 8-9 
Bluish. 
P. 
Oct. 5. 
•758 
291 
57 
18-50 
3 
4-8 
8-080 
4-6 
7-8-9 
Whitish and bluish. 
P. 
11. 
•775 
291 
37 
15-61 
4 
4-8 
8-076 
4-9 
7-8—9 
Whitish and bluish. 
P. 
16. 
•789 
290 
31 
12-92 
6 
4-2 
7-949 
4 
7-8— 8-9 
Whitish and bluish. 
P. 
e Draconis. 
1843. Apr. 18. 
•293 
357 
5 
24-33 
2 
4 
3-212 
5 
5—10 
Yellowish and bluish. 
G. 
19. 
•296 
354 
19 
43-84 
1 
3-4 
2-986 
3-4 
4—10 
Bluish and white. 
W.andG. 
28. 
•320 
355 
34 
43-64 
1 
4-2 
3-060 
4 
4—9 
White. 
W.andG- 
1845. Oct. 24. 
•810 
354 
40 
38-58 
1 
1-8 
2-802 
1-7 
5-6— 10-11 
Yellow and white. 
P. 
25. 
•813 355 
18 
30-57 
1 
5-2 
2-938 
5-4 
5—10 
Yellow and white. 
P. 
31. 
•830 
357 
28 
16-91 
4 
5-8 
2-982 
6-2 
5—9-10 
Yellow and white. 
P. 
Nov. 1 . 
•832 
356 
9 
9-02 
12 
6 
2-972 
6 
5—9-10 
Yellow and white. 
P. 
I of H 95. 
1843. May 22 . 
•386 
336 
24 
26-29 
1 
1-2 
3-380 
1-2 6 - 7—10 
White. 
G. 
24. 
•392 
338 
21 
15-83 
4 
4 
3-334 
4 
6 - 7—10 
White. 
G. 
25. 
•394336 
54 
14-29 
5 
5 
3-075 
5 
6-7—10 
White. 
G. 
June 5. 
•424 
336 
33 
28-04 
1 
4-5 
3-002 
4-5 
6-7—10 
White. 
G. 
Nov. 23. 
•893 
344 
42 
44-69 
1 
1-5 
3-523 
1-5 
6—8 
White. 
W.andS. 
29. 
•909 
341 
24 
9-19 
12 
2-5 
3-480 
2-4 
6—8 
White. 
S. 
Dec. 24. 
•977 
342 
29 
25-38 
2 
3-8 
3-149 
3-2 
6—8 
White. 
S. 
1844. Jan. 2 . 
•003 
344 
3 
21-48 
2 
1-2 
3-677 
1-1 
6-8 
White. 
s. 
7. 
•016 
342 
24 
12-01 
7 
5-5 
3-115 
5-3 
6—8-9 
White. 
s. 
June 1 . 
•416 
341 
43 
9-27 
12 
5 
3-252 
4 
6—8-9 
Orange and white. 
s. 
3. 
•422 
341 
26 
14-52 
5 
1-4 
3-294 
1-3 
6-7—9 
Orange and white. 
s. 
10 . 
•441 
341 
44 
17-58 
3 
4.7 
3-286 
4.4 
6-7—9 
Orange and white. 
s. 
July 29 . 
•575 
339 
26 
10-39 
9 
3-2 
3-085 
3-2 
6-7—9 
Bluish white. 
p. 
Aug. 4, 
•591 
338 
12 
12-65 
6 
4-2 
3-065 
4-2 
6-7—9 
Bluish white. 
p. 
14. 
•619 
341 
42 
12-49 
6 
4-4 
3-230 
4 
6-7-9 
Bluish and light blue. 
p. 
24. 
•646 
341 
27 
24-86 
2 
2-4 
3-113 
2-4 
6-7-9 
Bluish white. 
p. 
Nov. 21. 
•890 
340 
16 
16-77 
4 
6-7 
3-069 
6-7 
6-7—9 
Bluish white. 
p. 
25. 
•901 
339 
36 
15-45 
4 
7 
3-125 
7-5 
|6-7— 9 
Bluish white. 
p. 
26 . 
•903 
340 
27 
11-75 
7 
5-8 
3-155 
5-7 
6-7—9 
Bluish white. 
p. 
1845. Oct. 31. 
•830 
342 
36 
11-32 
8 
7 
3-179 
6-9 
7—9 
Light blue. 
p. 
Nov. 3. 
•838 
339 
55 
14-47 
5 
5-2 
3-162 
5-3 
7-9 
Bluish. 
p. 
4, 
1 -841 
342 
26 
22-19 
2 
4-3 
3-163 
4-2 
7—9 
Bluish. 
p. 
1846. May 10 . 
•353 
342 
23 
10-17 
10 
4-8 
3-115 
4-9 
7—9 
Pale yellow and pale blue. 
p. 
29 . 
•405 
342 
12 
13-47 
6 
6-7 
3-010 
6-6 
7—9 
Pale yellow and pale blue. 
p. 
Oct. 30. 
•827 
340 
51 
12-59 
6 
4-1 
3-049 
3-5 
7—8-9 
Pale yellow and pale blue. 
p. 
