138 
researches in steclar photometry. 
magnitude 
Fig. 28.—Magnitude-Curve for SX Cygni. 
Table 84.—7269 SX Cygni. Constants for Reduction and Comparison with Catalogue 
Magnitudes. 
6-INCH. 
1904 September 5. 
1904 
October 1. 
1904 October 2. 
Star. 
Obs. Mag. 
A Mag. 
Obs. Mag. 
A Mag. 
Obs. Mag. 
A Mag. 
C. 
C. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
C. 
H. 
P. 
H. 
P. 
E... 
0.27 
7.12 
7-47 
+ .09 
+ . 10 
o -35 
7.24 
7-59 
+ • 21 
+ . 22 
— 0.08 
7.06 
7.41 
+ 03 
+ .04 
F... 
0.38 
7-23 
7-58 
~ • 15 
.00 
0.25 
7.14 
7-49 
- .24 
- .09 
0.06 
7.20 
7-55 
- . 18 
- 03 
G . . 
0.03 
6.72 
7.07 
— .11 
- .27 
-0.03 
6.86 
7.21 
+ 03 
- • 13 
— 0.17 
6.97 
7-32 
+ -14 
— .02 
Means. 
0.23 
7.08 
7-43 
± . 12 
& 
0 
-H 
0.19 
7.08 
7-43 
± • 16 
± .15 
— 0.06 
7.08 
7-43 
± . 12 
rO 
O 
-H 
M 0 .. .. 
6.85 
7.20 
6.89 
7.24 
7 -i 4 
7-49 
12-INCH. 
40 -INCH. 
Star. 
Mag. 
6-inch. 
C. 
Star. 
Mag. 
12-inch. 
C. 
Oct. 28. 
Nov. 1. 
Nov. 3. 
Oct. 24. 
Nov. 3. 
Oct. 17. 
a . 
8.91 
9.78 
9 -63 
1.09 
2.31 
1.78 
1.65 
2.61 
2-57 
1.11 
2.04 
1.84 
i 
10.50 
11.79 
11.00 
1.03 
2.38 
1.50 
2.27 
3-75 
3 -14 
1. 5 i 
2.58 
1.72 
b . 
c . 
r . 
Mean C.. . . 
Mean Mag. 
M 0 . 
Mean C .. . . 
Mean Mag. . 
Mo. 
9.44 
.... 
i -73 
9-44 
7-71 
2.28 
9-44 
7.16 
1.66 
9-44 
7.78 
11.10 
1.64 
11.10 
9.46 
3 °5 
11. 10 
8.05 
1 94 
11.10 
9.16 
