CHAPTER IX.—S CYGNI. 
127 
Table 76.— 7220 S Cygni. Visual Observations of the Variable. —Continued. 
Month 
and Day. 
Date. 
Hour 
C. S. T. 
Julian 
Day 
G. M. T. 
| Ocular. 
Aperture. 
Comparisons. 
Reduction, Steps. 
1904 
24100004- 
Ort -3 
6782 
67 
I 2 
v not seen, limit 7. 
Nov. 6 
11 
6791.71 
237 
40 
0.2V, viy, v6d . 
7 - 4 , 6.7, 5.5. 
1905 
Jan. 3 
6 
6849.50 
237 
40 
a8v, V30, . 
1 • 4 . 3 • 3 . 2 - 5 . 1 
3 
7 
6849.54 
237 
40 
photometer. 
.> 
24 
6 
6870.50 
450 
40 
v not seen, <* glimpsed .... 
28 
7 
6874.52 
450 
40 
<8-107;, 7>3-4<s v6y . 
6.1, 11.4, 8.7. 
Feb. 14 
16 
6891.92 
250 
40 
76-77;, t;i<. 
9-9. 11 • 6. 
Mar. 24 
17 
6929.95 
150 
6 
03-47;, VIX . 
19.0, 20.0. 
Apr. 4 
16 
6940.92 
237 
40 
<57;, vx, V4-5y . 
17.0, 19.0, 20.4. 
30 
15 
6966.88 
237 
40 
V1-2X, v 61 ?. 
20.5, (16.6) . 
May .4 1 
9 
6977-63 
150 
6 
f2V, v$- 61 (y seen). 
30-1, 31-2 . 
June 22 
9 
7019.63 
150 
6 
vl, vim, 7; 3 n . 
25.7, 25.1, 26.6. 
Tuly 26 
9 
7053-63 
150 
6 
02 - 37 ;, V 2 X . 
19-5, 21.0. 
Aug. 9 
9 
7067.63 
150 
6 
X 3~4 V > V2-3 y . 
15 - 5 , 18.4 . 
20 
9 
7078.62 
237 
40 
75-67;, V2t . 
10.9, 12.6. 
22 
9 
7080.63 
237 
40 
*8-107;, 737;, 7;4<. 
10.0, 13.4, 14.6. 
Sept. 2 
11 
7091.71 
237 
40 
<4-57;, v6y, v 80 . 
00 
vO 
19 
7 
7108.54 
237 
40 
t5V, V2y . 
5 - 6 , 7-7 . 
Oct. 1 
10 
7120.67 
750 
40 
v not seen, limit y . 
21 
9 
7140.63 
750 
40 
76-87;, &v, 7;4;5±. 
-i-3» 0.3, 3.5. 
Nov. 18 
6 
7168.51 
450 
40 
55 - 67 ;. 
Dec. 30 
6 
7210.51 
750 
40 
v6d, 73-47;. 
5 - 5 . 9-2 . 
Means. 
Seeing. 
t. 
Steps. 
Mag. 
<16.4 
<12.4 
good 
6-5 
14.29 
fair 
93 
2.6 
15.00 
good 
151 
< 6 
<14.4 
dull 
. • . 
8.7 
1387 
good 
176 
11. 1 
13-39 
good 
193 
19-5 
11.85 
haze 
245 
18.8 
11 98 
256 
20.5 
11.66 
good 
282 
30-5 
10.00 
fair 
3 i 3 
25.6 
10.80 
good 
9 
20.2 
11.72 
fair 
43 
17.0 
12.30 
good 
57 
11.8 
13.28 
poor 
68 
13.0 
13.01 
good 
70 
8.0 
13-97 
good 
81 
7.0 
14.16 
good 
98 
< 5-7 
<14.4 
poor 
1.2 
* 5 - 3 ° 
good 
130 
— 6.0 
16.5 
good 
158 
7-9 
14.00 
good 
200 
No. 
85 
86 
87 
88 
89 
90 
9 1 
92 
93 
94 
95 
96 
97 
98 
99 
100 
101 
102 
103 
104 
105 
106 
J Mag. 
+ 0-34 
+ 0.49 
— 0.28 
-0.41 
-0.32 
+ 0.03 
+ 0.26 
-0.25 
+0.50 
+ 0.23 
+ 0. 29 
+ 0.77 
+ 0.36 
+ 0.87 
+ 0.46 
4 - 0.68 
4-2.0 
4-0.10 
