28 
CATAI.OGUE OP STARS WITHIN 
TABLE IV. — Plate Constants. 
Plate. 
Image. 
Standard stars. 
^ 
V 
A 
w 
w»n. 
7nm. 

/ 
II 
n 
Sept. i6 
Big 
«. ^, *, <P, f, X, w. 
— I . 4046 
+ 
60.9458 
67 
30 
44 59 
•8572 
no. 2 
Mid. 
- 1-3959 
+ 
61.3492 
67 
30 
45 
8579 
Sept. i6 
Big 
'. ^ ^, M, n p. 
- 0.9446 
— 
58.8603 
67 
29 
59 
8617 
no. 4 
Mid. 
- 0.9310 
— 
58.4621 
67 
30 
24 
8598 
Sept. 1 6 
Big 
M, ^ 1, 0, T, p, 0. 
+ I .1355 
— 
57-8153 
112 
38 
24 
8606 
no. 5 
Mid. 
+ 1-1323 
— 
57 4296 
112 
38 
43 
8596 
Sept. 1 6 
Big 
«. /3, 5, e, f, w. 
+ I. 3521 
+ 
62. 1408 
112 
37 
46 
8551 
no. 7 
Mid. 
+ 1.3466 
+ 
62.5421 
112 
37 
34 
8519 
Sept. 1 8 
Big 
P,<^,-r,v,<p,i^,X,<^. 
- 2.8353 
+ 
60.5764 
22 
27 
48 
8579 
no. I 
Mid. 
— 2.8232 
+ 
60.9637 
22 
28 
23 
8566 
Sept. 1 8 
Big 
5, '7, ^, t, K, »-. 
- 2.2755 
— 
60 . 3089 
22 
29 
17 
8574 
no. 3 
Mid. 
- 2.2685 
— 
59 - 9306 
22 
28 
52 
8538 
Sept. 21 
Big 
", 0, T, /), <r, T, i;, 0, i/-. 
+ 2.5529 
— 
58.7921 
155 
30 
I 
8608 
no. 13 
Mid. 
+ 2.5464 
— 
58.3941 
155 
30 
29 
8604 
Sept. 21 
Big 
a, 5, e, f, 7), 6, t. 
+ 2.2749 
+ 
61 . 2484 
155 
26 
49 
8557 
no. 15 
Mid. 
+ 2.2736 
+ 
61 .6462 
155 
26 
50 
8539 
The numbers in the last column of Table V are the probable errors 
of the single determinations of polar distance for each plate, and 
r cosec tt will be the probable error of one determination of right ascen- 
sion for any star of polar distance r.. 
TABLE V. — Probable Errors ok Plate Constants. 
Plate. 
Im. 
Probable error of 
{or ij 
fa> 
A 
*o 
Sept. 16 no. 2 
Sept. 16 no. 4 
vSept. 16 no. 5 
Sept. 16 no. 7 
Sept. 18 no. I 
Sept. 18 no. 3 
Sept. 21 no. 13 
Sept. 21 no. 15 
Big 
Mid. 
Big 
Mid. 
Big 
Mid. 
Big 
Mid. 
Big 
Mid. 
Big 
Mid. 
Big 
Mid. 
Big 
Mid. 
mm. 
± .0015 
.0015 
■ 0015 
.0018 
.0019 
.0019 
.0022 
.0025 
.0024 
.0022 
.0018 
.0017 
• 0013 
.0011 
.0019 
.0018 
II 
zb .0012 
.0012 
.0011 
.0013 
.0014 
.0014 
.0018 
.0020 
.0018 
.0017 
.0015 
.0014 
.0010 
.0008 
.0016 
.0014 
II 
± 4 
4 
4 
5 
5 
5 
6 
7 
6 
6 
5 
5 
3 
3 
5 
5 
1 
± 
.141 
139 
125 
153 
179 
179 
154 
172 
206 
184 
190 
176 
127 
102 
194 
174 
