CHAPTER X.—SX CYGNI. 
139 
Table 85.—7269 SX Cygni. Mean Magnitudes ob Comparison Stars. 
6 -INCH. 
Star. 
E. 
F. 
G 
Mean. 
a. 
b. . 
c 
h. 
Mean. 
September 5. 
October 1. 
October 2. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
7 ■ 12 
7 • 2 3 
6.88 
OOO 
odd 
1 + 1 
7.24 
7-14 
6.86 
+ 0.10 
-0.05 
— 0.04 
7.06 
7.20 
6.97 
— 0.08 
4 - 0.01 
+ 0.07 
8.83 
9.69 
9.61 
7 65 
— 0.08 
— 0.09 
— 0.02 
+ 0.11 
9.02 
9.76 
9.61 
-f 0.11 
— 0.02 
— 0.02 
8.88 
9.89 
9.68 
7-43 
-0.03 
+ 0.11 
+ 0.05 
— 0.11 
Mean. 
Mag. H. 
Mag. P. 
A Mag. 
7 H 
7-49 
±0.07 
7.19 
7-54 
±0.03 
6.90 
7-25 
±0.04 
00 
O 
7-43 
±0.05 
8.91 
9.26 
±0.07 
9.78 
10.13 
±0.07 
9 63 
9.98 
±0.03 
7-54 
7.89 
±0.11 
8.97 
9-32 
±0.07 
12-INCH. 
Star. 
October 28. 
November 1. 
November 3. 
Mean. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag. P. 
A Mag. 
a . 
8.80 
10.02 
9.49 
-0.03 
+ 0.15 
— 0.12 
8.81 
9-77 
9-73 
— 0.02 
— 0.10 
+ 0.12 
8.89 
9.82 
9.62 
+ 0.06 
+ 0.05 
+ 0.01 
8.83 
9.87 
9.61 
9. 18 
10.22 
9.96 
±0.04 
±0.10 
±0.08 
b . 
c . 
Mean. 
9.44 
9-79 
±0.07 
d . 
10.45 
7 36 
11.79 
10.98 
9-44 
-0.05 
— 0.08 
0.00 
— 0.02 
0.00 
10.52 
7.41 
n -75 
10.97 
9.48 
+ 0.02 
-0.03 
— 0.04 
-0.03 
+ 0.04 
10.54 
7-54 
11.82 
11.06 
9.40 
+ 0.04 
+ 0.10 
+ 0.03 
+ 0.06 
— 0.04 
10.50 
7-44 
11.79 
11.00 
9-44 
10.85 
7-79 
12.14 
n -35 
9-79 
±0.04 
±0.07 
±0.02 
±0.04 
±0.03 
h . 
p . 
s . 
VI . 
Mean. 
10.03 
10.38 
±0.05 
40 -INCH. 
Star. 
October 24. 
November 3. 
October 17. 
Mean. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. 
A Mag. 
Mag. H. 
Mag. P. 
A Mag. 
d . 
10.67 
11.74 
10.88 
+ 0.18 
-0.05 
-0.13 
10.49 
11.84 
10.96 
0.00 
+ 0.05 
-0.05 
10.32 
11.80 
11.19 
— 0.17 
+ 0.01 
+ 0.18 
10.49 
11.79 
11.01 
10.84 
12.14 
11.36 
±0.12 
±0.04 
±0.12 
p . 
s . 
Mean. . 
1 1.10 
n -45 
±0.09 
n . 
11.72 
12.88 
12.32 
13-47 
— 0.12 
— 0.27 
— 0.18 
— 0.07 
12.01 
13.26 
12.59 
13.67 
+ 0.17 
+ 0.11 
+ 0.09 
+ 0.13 
11.79 
13-30 
12.59 
13-48 
-0.05 
+ 0.15 
+ 0.09 
— 0.06 
11.84 
13-15 
12.50 
13-54 
12.19 
13-50 
12.85 
13.89 
±0.08 
±0. 18 
±0.12 
±0.09 
w . 
x . 
V . 
Mean. 
12.76 
13.11 
±0.12 
