CHAPTER; XII.—Z CASSIOPEIA 
167 
Table 103.—8518 Z Cassiopeia. Constants for Reduction and Comparison with 
Catalogue Magnitudes. 
6-inch. 
Star. 
1904 September 5. 
1904 October 1. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag. 
A Mag. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
A . 
D . 
Means. 
Mo 
-0.51 
— 0.12 
6.80 
7.19 
6.69 
7.08 
+ -32 
- -32 
+ .11 
— . 12 
-0.50 
0.01 
6-75 
7.26 
6.64 
7-15 
+ -27 
- -25 
+ . 06 
- -05 
7.00 
7-31 
6.89 
7.20 
±•32 
± ■ 12 
-0.25 
7.00 
7-25 
6.89 
7.14 
± . 26 
± .06 
Star. 
1904 October 5. 
1904 October 27. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag. 
A Mag. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
A . 
D . 
Means. 
M 0 . 
-0.63 
-0.23 
6.80 
7.20 
6.69 
7.09 
+ -32 
- - 3 i 
+ .11 
— .11 
1 
0 ° 
C C/i 
6.68 
7-32 
6-57 
7.21 
+ . 20 
- .19 
— .01 
-1- .01 
- 0.43 
7.00 
7-43 
6.89 
7-32 
± -3 2 
±.n 
-0.25 
7.00 
7-25 
6.89 
7 -i4 
± . 20 
± .01 
12 -INCH. 
40 -INCH. 
Star. 
Mag. 
6-inch. 
C. 
Star. 
Mag. 
12-inch. 
C. 
Sept. 11. 
Nov. 2. 
Nov. 3. 
July 12. 
Oct. 24. 
Jan. 3. 
Jan. 7. 
a . 
8.29 
9-55 
11.05 
10.91 
0.01 
1.50 
2.64 
2.38 
0.63 
2.06 
3.18 
2-93 
0.23 
1.72 
2.90 
2.85 
d 
10.94 
12.25 
10-75 
12.99 
11.97 
0.56 
2.20 
0.23 
2.70 
b . 
P . 
3-57 
4.40 
3.62 
2-33 
2.42 
d . 
h . 
k . 
2.77 
2.04 
2-93 
2.19 
Mean C . .. 
Mean Mag. 
Mo. 
P . 
9-95 
1.63 
9-95 
8.32 
2.20 
9-95 
7-75 
i -93 
9-95 
8.02 
Mean C.. 
Mean Mag. 
M 0 . 
. 
1.42 
H -73 
10.31 
3-86 
12.40 
8-54 
2.38 
12.40 
10.02 
251 
12.40 
9.89 
