I IO 
RESEARCHES IN STELLAR PHOTOMETRY. 
Table 67.—6894 S Lyr.e. Visual Observations of the Variable. 
No. 
Date. 
Ocular. 
Aperture. 
Comparisons. 
Reduction, Steps. 
Means. 
Seeing. 
t. 
J Mag. 
Mon 
and I 
Julian 
Day 
G. M. T. 
th 
)ay. 
Hour 
C. S. T. 
Steps. 
Mag. 
1896 
2410000+ 
(a2b, 64/, /2g, g5*, Ink, kl 
) 
1 
Oct. 
7 
• . 
3840 
80 
6 
< 7 b g 3 / > . P 2«, », 
"• . 
<21 
<11.6 
.... 
0 
• « • • 
(025, 5 f, limit 5 and f. 
) 
2 
Nov. 
12 
3876 
150 
6 
uiw, 113-41 . 
<21 
<11.6 
good 
36 
.... 
3 
26 
7 
3890.54 
*50 
6 
J 4 T . 
<18 
<12.1 
good 
.... 
A 
Dec. 
Q 
6 
2002 . 20 
T 20 
6 
si—2x, difficult . . 
<18 
5 
23 
6 
3917-50 
150 
6 
si-2x, sv, limit x . 
21.0 
11.68 
good 
77 
+ 0.11 
1897 
6 
Jan. 
9 
9 
3934-63 
80 
6 
04-51;, bsv, v$l, vi h . 
29.7, 29.0, 27.6, 26.6. 
28.0 
10.72 
low 
94 
-0.36 
7 
May 
25 
10 
4070.67 
150 
6 
S5V, vim . 
25.6, 26.6. 
26.1 
10.99 
good 
230 
— 0.21 
8 
June 
I I 
9 
4087.63 
150 
6 
7/4 s, 01— 2 v, ni2v . 
25.0, 24.2, 23.6- 
24.2 
11.25 
good 
247 
— 0.24 
9 
July 
1 
9 
4107.63 
150 
6 
VS, V2X, m6v . 
21.0, 20.4, 19.6... . 
20.3 
11.77 
good 
267 
— 0.09 
10 
16 
9 
4122 . 63 
150 
6 
SIV, V2X . 
20.0, 20.4. 
20. 2 
11.78 
good 
282 
-0.34 
11 
26 
O 
4112.6l 
I so 
6 
SIV, V1X . 
20.0, 10.4. 
IQ. 7 
1 t 86 
fair 
202 
12 
Aug. 
27 
8 
4164.58 
150 
6 
xiv, v glimpsed. 
17.4 
12. 15 
fine 
324 
-0.85 
13 
Sept. 
17 
8 
4185 . 58 
80 
6 
3:3—47; ±, 21—27;. 
14.Q. o.q. 
12.4 
T 2 7 Q 
fine 
345 
350 
— 0 66 
*4 
22 
8 
4190.56 
150 
6 
22-37;, v glimpsed. 
8.9 
13-25 
fine 
— 0.27 
15 
Oct. 
25 
7 
4223.54 
150 
6 
v not seen, limit 1-2 < A 
< 19 
<11.9 
good 
.... 
16 
Nov. 
l6 
6 
424s . 50 
I SO 
6 
v not seen, limit z ... . 
< 11 
<" T 2 O 
finp 
17 
Dec. 
20 
6 
4288.50 
150 
6 
v not seen, limit z ... . 
<n 
<* 3 -o 
good 
1898 
18 
Feb. 
15 
17 
4336.96 
I SO 
6 
v not seen, limit x . 
<18 
<■*19.1 
priori 
19 
Mar. 
2 
17 
435*-96 
150 
6 
7/42, V2s, D iv, W3-47; . 
15.4,23.0,20.5,22.1 
20.0 
II.8O 
fine 
76 
+ 0.20 
20 
23 
16 
4372.92 
150 
6 
7 12m, VI71, v6s, gt\V . 
27.6,25.7,27.0,26.6 
26.7 
10.91 
good 
96 
-0. 13 
21 
Apr. 
1 
16 
4381.92 
150 
6 
v 6 ti, vi g, b2v . 
3 ° • 7 > 3*-6, 32.3 - 
3 * -5 
10.20 
good 
106 
-059 
22 
15 
16 
4 "I 9 S • 92 
I so 
6 
V2g, bvv . 
32.6, 71.3 . 
21 . Q 
TO T 7 
T 20 
— n 7i 
23 
May 
7 
10 
4417.67 
40 
6 
047;, b 2 V, V2g . 
3* 2, 32.3, 32.6. ... 
32.0 
10.16 
fair 
141 
• 0 1 
-0.05 
24 
21 
9 
443*-63 
\ 40 
l I SO 
6 
6 
b2V, 7 > 3 g. 
63 V, V2g . 
32 - 3 , 33-6 . ) 
71.3. 32.6.i 
32-4 
10.09 
fair 
*55 
—0.14 
25 
June 
14 
4455 
80 
12 
g2V, VI—2771 . 
28.6, 27.1. 
27 8 
TO 77 
T 70 
-4- n 70 
26 
27 
. . 
4468 
80 
12 
64-57;, vzg, limit 3 <2. 
29-8, 32.6. 
31.2 
10. 27 
good 
192 
—0.46 
27 
July 
5 
11 
4476.71 
80 
I 2 
g 4 ~ 57 ;, V277i, c8a, eioa .... 
26.1, 27.6. 
26.8 
10 90 
200 
-4-0 T 7 
28 
18 
11 
4489.71 
80 
I 2 
ZA.V, VI —2111 . 
26.6, 27.1. 
26 8 
TO 90 
6 u y u 
2 T 2 
29 
Aug. 
1 
10 
4503-67 
80 
12 
g4V, 7712V, V71 . 
26.6, 23.6, 25.6- 
25.2 
1 r. 10 
moon 
^ 1 O 
227 
— 0.07 
30 
18 
10 
4520.67 
80 
12 
m6v, vis, V4X, limit 2. 
19.6, 22.0, 22.4... . 
2*-3 
11.62 
fair 
244 
+0.32 
3 i 
Sept. 
7 
8 
4540.58 
. . . 
6 
m6-8v, S2v, V2x, v\z, limit 2. 
18.6, 19.0, 20.4, 15.4 
18.3 
12.03 
good 
264 
+ 0.22 
32 
20 
8 
4553 58 
6 
v glimpsed, 55-41;. 
I 7 . S 
12.12 
fair 
277 
+ n in 
33 
Oct. 
8 
7 
4571.54 
150 
6 
S2V, vx, vt, 2, limit 2. 
19.0, 18.4, 14.4- 
17.2 
12.17 
fine 
2 QS 
— 0.22 
34 
Nov. 
1 
6 
4595 - 5 ° 
150 
6 
217;, v glimpsed. 
IO . 4 
T 2 . 02 
3*9 
+0.15 
35 
15 
9 
7 
4609.54 
200 
6 
v not seen, limit 2. 
<u 
<*30 
good 
189 
36 
Mar. 
22 
16 
4736.92 
6 
v not seen, limit 1-2 < x. . 
<17 
<12.2 
37 
Apr. 
21 
l6 
4766.92 
200 
6 
V2 -32, V1X, VS, £>3 V . 
13.9, 19.4, 21.0, 18.5 
18.2 
12.05 
good 
54 
-0.25 
38 
May 
I 
10 
4776.67 
150 
6 
5 IV, V2X . 
20.0, 20.0. 
20.0 
11.80 
low 
61 
— 0 18 
39 
18 
10 
4793 -65 
200 
6 
112—35, D2v, uncertain . . 
2 1 . S. IQ S. 
21 . S 
11 60 
low 
81 
+0 18 
40 
29 
9 
4804.63 
150 
6 
7/3J, 7711V, VlD . 
24.0, 24.6, 22.5— 
23-7 
11.32 
good 
92 
+0.15 
4 i 
June 
7 
10 
4813.67 
150 
6 
7 > 4 D , Vim, g4-5v . 
25.0, 26.6, 26.1.... 
25-7 
II 05 
low 
IOI 
+0.15 
42 
13 
10 
4819.65 
150 
6 
V2-377J, 7;g, 647;. 
28.1, 30.6, 30.3— 
29.6 
10.50 
good 
107 
—0.29 
43 
July 
5 
10 
4841.67 
150 
6 
637;, V2-7,g . 
11.1. 11. I . 
11 . I 
Q . QQ 
fond 
I 20 
— 0.22 
44 
July 
10 
10 
4846.65 
150 
6 
647;, VIg . 
30 . 3 . 31.6 . 
20 . Q 
IO. 11 
pr>od 
I 2 A 
+ 0.04 
45 
18 
9 
4854.61 
150 
6 
b&v % vie: . 
20 . 2 . 2 T . 6. 
20. O 
TO. 2 I 
moon 
T A 2 
+ 0 in 
46 
Aug. 
5 
9 
4872.63 
150 
6 
657;, vg . 
3 r. 3.5+0.6. 
20 • Q 
IO. 21 
fair 
160 
-f-OOl 
47 
10 
9 
4877.61 
150 
6 
b6v, g2-7,v, V4717 . 
28.3, 28.1, 29.6- 
28.6 
10.65 
good 
165 
+0.33 
48 
26 
9 
4893.61 
150 
6 
g2v, vim . 
28.6, 28.6. 
28.6 
10.65 
food 
181 
+ 0.15 
49 
Sept. 
4 
9 
4902.61 
150 
6 
g4T>, vim, 1*6-7 s . 
26.6, 26.6, 27.5.... 
26.9 
10.89 
good 
190 
+ 0.29 
50 
12 
7 
4910.54 
150 
6 
g^v, vm, 1*45. 
26.6, 25.6, 25.0- 
25-7 
n.03 
good 
198 
+0.32 
1 V 
Oct. 
26 
8 
4924.56 
150 
6 
g7~Sv, vm, 773-45. 
23. 1, 25.6, 24.5.. . . 
24.4 
11.20 
good 
212 
+ 0.27 
52 
4 
8 
493256 
150 
6 
Vl2V f VIS . 
22 6 22 O . 
99 8 
11 42 
poor 
220 
4 -o is 
53 
23 
7 
495*-54 
150 
6 
mz-yv, vo- is, V2X . 
23.1, 21.5, 20.4... . 
21.6 
11.59 
good 
239 
+ 0.26 
