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32

Monday March 2, 1907

Distance in millimeters from centre of plate

copied  AC 9043

[[3 column table]]

A | Exposure +90° | B Exposure +87°
A | 1-9|| 1-+22
B | 2±17  | 2+32
C | 3a-24 | 3a + 9
D | 4-19 | 4 - 10
E | 5±15 | 5 31
7 | 6 + 10 | 6 38
b | 7 + 17 | 7 46
a^[[1]] | 8-10 | 8 20 
a^[[2]] | 9±19 | 9 37
a^[[3]] | 10±9 | 10 32
a^[[4]] | 11+11 | 11 39
a^[[5]] | 12±4 | 12 26
b^[[1]] | 13-9 | 13 23
b^[[3]] | 14+10 | 14 38
b^[[2]] | 14a - 10 | 14a 23
c^[[1]] | 15+3 | 15 28 
c^[[4]] | 16±6 | 16 25
c^[[5]] | 15+9 | 17 35
 | c^[[2]]+4 || c^[[2]] 31
 | c^[[3]]+4 | c^[[3]] 31
 | d+5 | d 30
 | e+5 | e 29
 | f^[[1]]5 | f^[[1]]29
 | [[strikethrough]] c^[[1]]4 [[/strikethrough]] | 



33

[[underlined]] Tuesday, March, 2, 1907 [[/underlined]]
0.25

North Polar Sequence Plate AC 9043 remeasured 

[[4 column table]]
Scale N | Scale [[strikethrough]] eye piece [[/strikethrough]] Exp. +90° | AC 8858 | 2 in. eye-piece Exp. +85° 

1 | 1.51. [[strikethrough]] 2 [[/strikethrough]]3 | 1. [[strikethrough]] 2 [[/strikethrough]]3 a.. |   |
2 | 3.63.[[strikethrough]] 3 [[/strikethrough]] 4 3.93. [[strikethrough]] 4 [[/strikethrough]]5 |   | 3. [[strikethrough]] 3 [[/strikethrough]] 45 [[strikethrough]] [[underlined]] 1 [[/underlined]] 0[[/strikethrough]] 0 1 .
3a | 4.0 3. [[strikethrough]] 7 [[/strikethrough]] 8 4.4 [[strikethrough]] 3.9 [[/strikethrough]] 4.0 | 3. [[strikethrough]] 8 [[/strikethrough]] 90 1 1 |   |
4 | 4.64 4. [[strikethrough]] 3 [[/strikethrough]] 4 4.9 4. [[strikethrough]] 4 [[/strikethrough]] 5 4.8 | 4.5 [[strikethrough]] 0 [[/strikethrough]] 7 2 1 [[strikethrough]] 3 [[/strikethrough]] 2 |   |
7 | 6.7 6. [[strikethrough]] 2 [[/strikethrough]] 3 6.2 | 6.2 [[strikethrough]] 0 [[/strikethrough]] 5 [[strikethrough]] 0 [[/strikethrough]] 1 0 |   |
11 | 7.5 7. [[strikethrough]] 0 [[/strikethrough]] 1 6.9 | [[strikethrough]] 6.95 [[/strikethrough]] 7.00 [[strikethrough]] 0 [[/strikethrough]] 1 1 |   |
14 | 8.6 8. [[strikethrough]] 1 [[/strikethrough]] 2 8.1 | 8.1 [[strikethrough]] 0 [[/strikethrough]] 5 0 [[strikethrough]] 0 [[/strikethrough]] 1
6 | 6.8 6. [[strikethrough]] 3 [[/strikethrough]] 4 6.0 | 6. [[strikethrough]] 15 [[/strikethrough]] 20 [[strikethrough]] 1 [[/strikethrough]] 2 2 |   |
c^[[2]] | 9.0 8. [[strikethrough]] 5 [[/strikethrough]] 6 |   |   |
10 | 6.9 6. [[strikethrough]] 4 [[/strikethrough]] 5 6.7 | 6. [[strikethrough]] 55 [[/strikethrough]] 60 [[strikethrough]] 2 [[/strikethrough]] 1 1 |   |
15 | 8.7 8. [[strikethrough]] 2 [[/strikethrough]] 3 8.6 | 8.4 [[strikethrough]] 0 [[/strikethrough]] 5  [[strikethrough]] 2 [[/strikethrough]] 1 2 |   |
5 | 5.8 5. [[strikethrough]] 3 [[/strikethrough]] 4 5.1 | 5.2 [[strikethrough]] 0 [[/strikethrough]] 5 [[strikethrough]] 1 [[/strikethrough]] 2 1 |   |
12 | [[strikethrough]] 6 [[/strikethrough]] 7.8 7. [[strikethrough]] 3 [[/strikethrough]] 4 7.4 | 7. [[strikethrough]] 35 [[/strikethrough]] 40 | [[strikethrough]] 1 [[/strikethrough]] 0 0 |   |
8 | 5.8 5. [[strikethrough]] 3 [[/strikethrough]] 4 5.6 | 5. [[strikethrough]] 45 [[/strikethrough]] 50 1 [[strikethrough]] 2 [[/strikethrough]] 1 |   |
16 | 8.7 8. [[strikethrough]] 2 [[/strikethrough]] 3 8.2 | 8.2 [[strikethrough]] 0 [[/strikethrough]] 5 [[strikethrough]] 0 [[/strikethrough]] 1 0 |   |
13 | 8.1 7. [[strikethrough]] 6 [[/strikethrough]] 7 7.9 | 7. [[strikethrough]] 75 [[/strikethrough]] 80 [[strikethrough]] 2 [[/strikethrough]] 1 1 |   |
9 | 6.8 | 6. [[strikethrough]] 3 [[/strikethrough]] 4 5.8 | 6. [[strikethrough]] 05 [[/strikethrough]] 10 3 [[strikethrough]] 2 [[/strikethrough]] 3 |   |
14a | 8.5 8. [[strikethrough]] 2 0 [[/strikethrough]] 1 8.3 | 8. [[strikethrough]] 15 [[/strikethrough]] 20 [[strikethrough]] 2 [[/strikethrough]] 1 1 |   |
17 | 9.2 8. [[strikethrough]] 7 [[/strikethrough]] 8 9.0 | 8. [[strikethrough]] 85 [[/strikethrough]] 90 1 [[strikethrough]] 2 [[/strikethrough]] 1 |   |
c^[[3]] 9.2 8. [[strikethrough]] 7 [[/strikethrough]] 8 9.2 | [[strikethrough]] 8.95 [[/strikethrough]] 9.00 [[strikethrough]] 3 [[/strikethrough]] 2 2 |   |
d | 9.3 | 9.3  ..a |   |
e | 9.5 | 9.5  ..a |   |
f' | 9.8 | 9.8 ..a |   |
[[formula]]

Measures made more easily with 2-inch eye-piece
M.E.H.
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