CHAPTER XII.—Z CASSIOPEIZE. 
169 
Table 105.—8518 Z Cassiopeia. Visual Observations op the Variable. 
Date. 
No. 
Month 
Hour 
J ulian 
and Day 
S. S. T. 
Uay 
G. M. T. 
1898 
2410000+ 
1 
Nov. 11 
• . 
4605.6 
1899 
2 
Jan. 4 
4659 
3 
9 
7 
4664.52 | 
4 
14 
7 
4669.54 
5 
19 
7 
4674-54 
6 
24 
6 
4679.50 
7 
Feb. 7 
7 
4693•52 
8 
18 
7 
4704-54 
9 
24 
7 
4710-54 
10 
28 
7 { 
47 U -54 
l 
4714-55 
11 
Mar. 7 
7 
4721-54 
12 
13 
8 
4727-56 
13 
28 
8 
474256 
14 
Apr. 4 
16 
4749.92 
15 
16 
16 
4761.92 
16 
21 
16 
4766.92 
17 
May 10 
16 
4785.92 
18 
21 
15 
4796.88 
19 
29 
10 
4804.67 
20 
June 7 
10 
4813.67 
21 
10 
14 
4816.83 
22 
July 5 
11 
4841.71 
23 
29 
10 
4865.67 
24 
Aug. 10 
9 
4877.63 
25 
26 
9 
4893.61 
26 
Sept. 13 
8 
4911.58 
27 
25 
7 
4923-54 
28 
Oct. 2 
8 
4930.58 
29 
7 
7 
4935 54 
30 
21 
8 
4949-56 
3 i 
24 
8 
495256 
32 
. • 
33 
Nov. 4 
7 
4963•54 
34 
20 
7 
4979-52 
35 
22 
7 
4981.54 
3 d 
26 
7 
498.5 • 54 
37 
Dec. 4 
7 
4993-54 
38 
19 
6 
5008.50 
39 
23 
7 
5012.54 
1900 
40 
Jan. 1 
7 
5021.52 
4 i 
8 
7 
5028.54 
42 
20 
9 
5040.62 
43 
Feb. 4 
7 
50.55 • 54 
44 
10 
7 
5061.54 
45 
22 
9 
5073-63 
46 
25 
7 
5076 - 54 
47 
26 
7 
5077-54 
48 
Mar. 6 
8 
5085-58 
49 
13 
8 
5092.58 
50 
19 
7 
5098.54 -j 
51 
3 i 
8 
5110.56 -j 
52 
Apr. 29 
15 
5 + 39-88 •[ 
53 
May 20 
14 
5160.83 
54 
June 15 
9 
5186.63 
55 
-- 
July 12 
13 
5213-79 
I-. 
"5 
o 
O 
80 
150 
200 
40 
150 
150 
200 
150 
150 
150 
80 
150 
150 
200 
200 
150 
150 
150 
150 
150 
150 
15° 
15° 
200 
150 
200 
200 
200 
15° 
200 
200 
15° 
150 
200 
150 
350 
350 
350 
350 
35 ° 
80 
150 
150 
150 
150 
40 
40 
150 
40 
150 
150 
150 
237 
c 
3 
t, 
<u 
a. 
< 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
Comparisons. 
6 
6 
6 
6 
6 
6 
6 
6 
40 
40 
40 
40 
40 
12 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
6 
40 
photograph, d^v, vir. 
vs m\ rn'^g, m'6e . 
■P3-4W', m'6e .) 
m' is double, n and 12M ) 
vT,m', m'sg, limit k . 
V2 —3m', m'3g, gi,e, e2-2>k . . . 
V2m', m'se . 
g4+ eq,k, m'v . 
d$v, V5e . 
v not seen, limit 4 <d. .. . 
eiv, diov . 
vie, g4V, d iot> +. 
g2v, ve, limit v . 
g4+ ve . 
e2~2,v, vk . 
ev ±, uncertain. 
v not seen, limit e . 
v not seen, limit 2 <e. .. . 
v not seen, limit e . 
v not seen, limit e . 
v not seen, limit e . 
v not seen, limit e . 
v not seen, limit k . 
v not seen, limit k. .. 
v not seen, limit k . 
v not seen, limit k . 
v not seen, limit 1 <e.. .. 
v not seen, limit k . 
v not seen, limit k . 
v not seen, limit 1 <k.... 
v not seen, limit 1 <e. . . . 
v not seen, limit k . 
v not seen, limit k . 
Reduction, Steps. 
33 - 4 , 32 - 5 - 
31.4, 28.1 
22.1, 26.4. 
24.1, 23.5, 26.4. 
25-5, 23.1. 
23-5, 23.1. 
20.6, 21.6. 
v not seen, limit k. . .. 
v not seen, limit e. . . . 
v not seen, limit 1 < k. 
v not seen, limit 1 <k. 
v not seen, limit k. . . . 
v not seen, limit k. . . . 
v not seen, limit k. . . . 
v not seen, limit 1 <k. . . . 
V2-311, V is 2«<C. 
V2tt, np, p\q, q6s, sSl, tu. 
xi-2V, V4-5n, v$p, piq, qm 
1*3— 4X, k4v, vSn. 
v6-8x, vq,k, vie, diov . 
d8v, ryv, vig, limit i<x.. 
g2viz, limit v . 
div, v$r . 
^3-4 d, V4I1 . 
&3-4V, r-5 d . 
byv, v6d . 
bi-2v, v8d . 
&2-3V, v6-8d . 
641;, V4h . 
b4V, V3-4 h, V4 d . 
b6v±, V3 d, V4I1 . 
I12V, div, V4r . 
04V, v6e . 
20.6, 17.6, 16.0. 
24.1, 24.6, 24.1, 
26.6, 27.5, 28.5. 
25-5 
34 - 5 - 
41.0. 
39 - 6 . 
40.6. 
42.6. 
41.6. 
41.0. 
33 - 6 , 
38.1, 
40.6, 
41.1, 
42.6, 
41.6, 
4 OI » 
40.1, 40.5, 38.6. . 
38.1, 37.6, 41.0 
35-0, 33.6, 35.5 
29.1, 29.1... . 
Means. 
Seeing. 
t. 
J Mag. 
Steps. 
Mag. 
33 
0 
11. 
3 + 
0 
+ 0. 
6 ± 
34 
4 
11. 
10 
fair 
54 
+ 0. 
08 
32 
9 
11. 
29 
.... 
59 
+ 0 
21 
32 
4 
11. 
32 
.... 
64 
+ 0 
17 
3 i 
9 
11. 
40 
fair 
69 
+ 0 
19 
3 i 
4 
11. 
45 
fair 
74 
+ 0 
15 
29 
4 
11. 
68 
good 
88 
+ 0 
19 
29 
8 
11 
69 
good 
99 
+ 0 
02 
<33 
<11. 
4 
.... 
• 
24 
0 
12 
3 i 
fair 
109 
+ 0 
50 
24 
3 
12 
27 
fair 
116 
+ 0 
30 
23 
3 
12 
38 
good 
122 
+ 0 
31 
21 
1 
12 
64 
fair 
137 
+ 0 
37 
23 ± 
12 
4 ± 
poor 
144 
0 
o± 
<23 
<12 
4 
<21 
<12 
6 
<23 
< 12 
4 
<23 
<12 
4 
<23 
<12 
4 
<23 
<12 
4 
<22 
<12 
5 
<22 
<12 
5 
<22 
< 12 
5 
<22 
< 12 
5 
<22 
<12 
5 
<22 
<12 
5 
< 12 
5 
<21 
<12 
6 
<22 
<12 
5 
<22 
<12 
5 
< 22 
<12 
5 
• 
<22 
<12 
5 
<23 
<12 
4 
<12 
•5 
<21 
< 12 
5 
< 22 
<12 
•4 
<22 
<12 
•4 
<22 
<12 
•4 
<21 
<12 
■5 
.... 
. . 
10 
•5 
13 
.83 
moon 
4 2 3 
+ 0 
03 
10 
.0 
13 
• 90 
fair 
435 
— 0 
41 
13 
• 7 
13 
.48 
fair 
450 
+ 0 
58 
18 
.0 
13 
.0 
good 
456 
+ 0 
3 ± 
24 
•3 
12 
•27 
good 
468 
+ 0 
27 
27 
. 2 
11 
■97 
good 
47 i 
+ 0 
18 
25 
•5 
12 
. 1 
poor 
472 
+ 0 
4 i 
34 
.0 
11 
• 15 
good 
480 
+ 0 
03 
39 
•5 
10 
-50 
fair 
487 
— 0 
37 
40 
-4 
10 
•39 
good 
1 
— 0 
28 
42 
. 1 
10 
•19 
fair 
13 
— 0 
42 
40 
.0 
10 
•44 
good 
42 
— 0 
45 
38 
•9 
10 
. 60 
good 
63 
— 0 
53 
34 
■7 
11 
.08 
poor 
89 
— 0 
42 
29 
. 1 
11 
.72 
good 
116 
-0 
•24 
