308 SIR F. W. DYSON, PROF. A. S. EDDINGTON AND MR. C. DAVIDSON ON A 
of each plate. The quantities are converted from revolutions to seconds of arc, as the 
more familiar unit facilitates judgment of the results. 
Table VIII.—Comparison of the Eclipse and Comparison Photographs with the Scale 
Plate, after Correction for Differential Refraction and Aberration, Orientation and 
Change of Scale. 
No. of Star. 
I. 
II. 
III. 
IV. 
V. 
VII. 
VIII. 
Mean. 
Eclif 
SE Plat 
es—Rig 
it Ascer 
ision. 
11 
-0-18 
-0-51 
-0-46 
-0-07 
-0-04 
-0-72 
-0-43 
-0-34 
5 
-0-45 
-0-81 
-0-38 
-0-58 
-0-60 
-0-36 
-0-62 
-0-54 
4 
+0-08 
+ 0-11 
-0-08 
- 0-11 
- 0-11 
-0-16 
-0-18 
-0-06 
3 
-0-23 
- 0-11 
-0-19 
—0-05 
- 0-02 
- 0-02 
- 0-01 
-0-09 
6 
-0-14 
+0-23 
-0-09 
- 0-11 
-0-13 
+0-13 
-0-08 
-0-03 
10 
+0-17 
+0-06 
+0-14 
-0-18 
- 0-11 
+0-14 
- 0-01 
+0-03 
2 
+0-7.5 
+ 1 -03 
+ 1-06 
+ 1-09 
+ 1-01 
+0-98 
+ 1-30 
Wl-03 
Ecl 
IPSE Plates— I 
leclination. 
11 
0-00 
-0-08 
-0-03 
+ 0-02 
+ 0-17 
+0-16 
+ 0-01 
+0-03 
5 
-0-38 
-0-54 
-0-61 
-0-30 
-0-.39 
-0-73 
-0-81 
—0-54 
4 
+ 1-19 
+ 1-04 
+ 1-03 
+0-98 
+ 1-11 
+ 1-19 
+ 1-24 
-4-1-11 
3 
+ 1-42 
+ 1-58 
+ 1-50 
+ 1-39 
+ 1-55 
+ 1-49 
+ 1-49 
+ 1-49 
6 
+0-65 
+0-79 
+ 1-01 
+0-97 
+0-71 
+0-95 
+ 1-01 
+0-87 
10 
+0-62 
+0-46 
+ 1-03 
+0-.54 
+0-56 
+0-.58 
+0-74 
+0-65 
2 
+ 0-01 
+0-25 
-0-40 
-0-09 
- 0-22 
-0-14 
-0-17 
- 0-11 
14.V,. 
14,i. 
15^. 
152. 
17,. 
17.2. 
I 82 . 
Mean. 
COMPAR 
ISON PI 
ites—R 
Lght Asc 
‘.ension. 
11 
-0-19 
-0-24 
-0-23 
-0-28 
+ 0-11 
-0-19 
- 0-02 
-0-15 
5 
-0-42 
+0-16 
-0-36 
-0-32 
-0-24 
-0-33 
-0-26 
-0-25 
4 
- 0-01 
+0-03 
- 0-01 
+0-05 
-0-04 
+0-23 
+0-08 
+0-05 
3 
+0-14 
+0-09 
+0-28 
+ 0-10 
-0-03 
+ 0-21 
- 0-01 
+ 0-11 
6 
+ 0-02 
-0-18 
+0-26 
+0-06 
+0-13 
+0-03 
+0-14 
-hO-07 
10 
+0-17 
-0-06 
+ 0-20 
+0-18 
+0-13 
- 0-02 
+0-15 
+ 0-11 
2 
+0-31 
+0-18 
-0-16 
+ 0-22 
-0-04 
+0-08 
-0-06 
q-0-08 
Comparison 
Plates— 
-Declination. 
11 
-0-07 
+0-08 
-0-26 
-0-04 
-0-26 
-0-18 
-0-16 
-0-13 
5 
-0-23 
-0-03 
+0-03 
0-00 
-0-19 
+0-03 
- 0-20 
-0-08 
4 
+0-23 
+0-05 
+0-29 
+0-18 
+ 0-45 
+0-53 
+0-23 
+ 0-28 
3 
+ 0-64 
+0-41 
+0-42 
+0-36 
+0-48 
+ 0-60 
+0-54 
+0-49 
6 
^- 0•22 
+0-36 
+0-33 
+ 0-26 
+0-41 
+ 0-21 
+0-32 
. +0-30 
10 
+0-28 
+ 0-32 
+0-31 
+0-36 
+0-36 
+0-15 
+0-29 
+0-30 
2 
+0-25 
+ 0-14 
+0-18 
+ 0-21 
+0-09 
-0-03 
+0-27 
+0-16 
