io8 
RESEARCHES IN STEEL A R PHOTOMETRY. 
Table 65.—6894 S Lyr.E. Constants eor Reduction and Comparison with Catalogue 
Magnitudes. 
6-INCH. 
Star. 
November 7. 
November 8. 
November 24. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag. 
A Mag. 
C. 
Obs. Mag. 
A Mag. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
H. 
P. 
E'.. . 
G '.. . 
H'. .. 
Means 
M 0 . •• 
0.01 
0.62 
0,27 
6.86 
7-47 
7.12 
7.28 
7.89 
7-54 
— .02 
-I- . 07 
+ .04 
4 .04 
— ,oS 
+ .04 
0.17 
0.65 
0.26 
6.96 
7-44 
705 
7-38 
7.86 
7-47 
+ .08 
4 .04 
— .11 
+ 14 
— .11 
- .03 
0.11 
0.63 
0.32 
6.91 
7-43 
7.12 
7-33 
7.85 
7-54 
+ .03 
+ 03 
- .04 
4 .09 
— .12 
4 .04 
0.30 
7 i 5 
6.85 
7-57 
7.27 
± 04 
± 05 
0.36 
7 -i 5 
6.79 
7-57 
7.21 
± .08 
4 .09 
0.35 
7-15 
6.80 
7-57 
7.22 
± -03 
± .08 
12-inch. 
40-INCH. 
Star. 
Mag. 
6-ineh. 
C. 
July 7. 
Oct. 5. 
Nov. 10. 
a . 
b . 
g. 
9 • 7 1 
9.89 
10.39 
2.41 
2.58 
3.02 
1 80 
2.04 
2.71 
i- 5 i 
1.63 
2.30 
Mean C . 
2.67 
2.18 
1.81 
MeanMag 
10.00 
10.00 
10.00 
10.00 
M 0 . 
7-33 
7.82 
8.19 
Star. 
g. 
s . 
X . 
Mean C. . . 
Mean Mag. 
M 0 . 
Mag. 
1 2-incli. 
Oct. 31. 
Oct. 31. 
Nov. 3. 
May 20. 
10.46 
11.56 
12.18 
2-57 
2.99 
2.84 
3.26’ 
3.10 
3 -69 
2.60 
. 
2.78 
11.87 
9.09 
3 05 
11.87 
8.82 
3 • 4 ° 
11.87 
8.47 
2.60 
12.18 
9 -58 
magnitude 
Fig. 22.—Magnitude-Curve for S Lyrje. 
