1.0 .9 9

30 35 40 45 50 55

3:9
3.7
3.6
3.5
3.4
3:3

33
33
32
32
31
30

2.7
2:7
2.6
2.5
2.4
2:3

7 0

7 27
7 17
7 8
6 59
6 51
6 43

15.0
14.6
14.3
14:1
13.8
13.5

2 57.6 2 47.7 2 38.7 2 30.5 2 23.2 2 16.5

2 10.1 2 4.2 1 58.8 1 53.8 1 49.1

44.7

•71 •67 -63 -59 -56 •52 .48 .45 .41 .38

•34

•31
•27
.24
•20
.17
•14
.10
•07
•03

21

TABLE VII.

's

AUGMENTATION OF D SEMIDIAMETER ACCORDING TO HER

INCREASE IN ALTITUDE.

The Moon's horizontal semidiameter is found in page 3 of each month in the Nautical Almanac, for every day at mean noon and midnight at Greenwich; and the Sun's in page 2, for every mean noon.

0.00
0.75
1.50

0.80

0.92

6

1.60

0:00
0.86
1.71
2:56
3:41
4.25
5.07

0.97 1.94 2.90 3.86 4.80 5.73 6.65 7.54 8:42

0:00 0.71 1:41 2.11 2.81 3.50 4.17 4.84 5.49 6.13 6075 7.35 7.93 8:49 9.03

21

5.89

24

27

30

9:28

33

4.76 5.52 6•27 7.00 7.71 8.40 9.07 9:72 10:34 10.93 11:49

5.18 5.88 6:56 7.23 7.88 8.50 9.10 9.68 10:23 10.76 11.26 11.72 12:15 12:55

36

1.83 2.73 3.63 4.52 5.39 6.26 7.11 7.93 8.74 9.52 10.28 11:02 11.72 12:39 13:03 13.63 14:19 14:72 15.20 15.64

6.68 7.46 8.22 8.96 9.67 10:36 11:02 11.65 12:25 12.81

9.55 10:05

10.12 10.92 11.66 12:44 13:15 13.83 14:46 15.06 15.62

48

51

12:02

54

57 60 63

16.13

10:52
10.95
11:35
11.72
12:06
12:37
12.64
12.88
13:08

13.83
14.29
14.70
15.08

13:40
13.79
14:14

12.91

16.60

13.24

16.04

15.41

66
69
72
75
78

17.03 17:40 17.73

15.70 15.95

16:39
16.70
16.96
17:18

18.01

81

14:18
14:32
14:42

13:37

16:31

18.24 18.42 18:55