36 GEOaEAPHIC TABLES AND FORMULAS. [bull. 234. 
Table 4. — Azinmlh and apparent altitude of Polaris at different hour angles — Continued. 
Apparent altitude of Polaris, computed for declination 88° 46' and 
Correc- 
Hour 
mean refraction. 
tion 
Hour 
angle 
before 
• for V 
in- 
angle 
before 
or after 
crease 
or after 
upper 
culmi- 
nation. 
Latitude 
30°. 
Latitude 
35°. 
Latitude 
40°. 
Latitude 
45°. 
Latitude 
50°. 
Latitude 
55°. 
Latitude 
60°. 
in dec- 
lination 
of Po- 
laris. 
upper 
culmi- 
nation. 
h. m. 
o / 
o / 
O ' 
o / 
O 1 
o / 
o / 
/ 
h. m. 
00 
31 15.6 
36 15.3 
41 15.1 
46 14.9 
51 14.8 
56 14.6 
61 14.5 
-1.0 
00 
015 
31 15,4 
36 15.2 
41 14.9 
46 14.8 
51 14.6 
56 14.4 
61 14.3 
-1.0 
15 
30 
31 14.9 
36 14.7 
41 14.5 
46 14.3 
51 14.2 
56 14.0 
61 13.8 
-1.0 
30 
45 
31 14.2 
36 13.9 
41 13.7 
46 13.5 
51 13.3 
56 13.2 
61 13.0 
-1.0 
45 
100 
31 13.0 
35 12.8 
41 12.5 
46 12.3 
51 12.2 
56 12.0 
61 11.9 
-1.0 
100 
115 
31 11.6 
36 11.3 
41 11.1 
46 10.9 
51 10.8 
56 10.6 
61 10.4 
-0.9 
1 15 
130 
31 09.9 
36 09.6 
41 09.4 
46 09.2 
51 09.0 
56 08.8 
61 08.6 
-0.9 
130 
145 
31 07.9 
36 07.6 
41 07.3 
46 07.2 
51 07.0 
56 06.8 
61 06.6 
-0.9 
145 
2 00 
31 05.6 
36 05.3 
41 05.0 
46 04.8 
51 04.6 
56 04.4 
61 04.2 
-0.8 
2 00 
215 
31 03.0 
36 02.7 
41 02.4 
46 02.2 
51 02.0 
56 01.8 
61 01.6 
-0.8 
2 15 
2 30 
31 00.1 
35 59.8 I 40 59.5 
45 59.3 
50 59.1 
55 58.9 
60 58.7 
-0.8 
2 30 
2 45 
30 57.0 
35 56.7 
40 56.5 
45 56.2 
50 56.0 
55 55.8 
60 55.5 
-0.7 
2 45 
3 00 
30 53.7 
35 53.4 
40 53.1 
45 52.9 
50 52.6 
55 52.3 
60 52.1 
-0.7 
3 00 
315 
30 50.1 
35 49.8 
40 49.5 
45 49.2 
50 49.0 
55 48.8 
60 48.5 
-0.6 
3 15 
3 30 
30 46.4 
35 46.0 
40 45.7 
45 45.5 
50 45.2 
55 45.0 
60 44.7 
-0.6 
3 30 
3 45 
30 42.4 
35 42.1 
40 41.8 
45 41.5 
50 41.3 
55 41.0 
60 40.7 
-0.5 
3 45 
4 00 
30 38.3 
35 38.0 
40 37.6 
45 37.4 
50 37.1 
55 36.8 
60 36.5 
-0.5 
4 00 
415 
30 34.0 
35 33.6 
40 33.3 
45 33.0 
50 32.8 
55 32.5 
60 32.1 
-0.4 
4 15 
4 30 
30 29.6 
35 29.2 
40 28.9 
45 28.5 
50 28.3 
55 28.0 
60 27.6 
-0.4 
4 30 
4 45 
30 25.0 
35 24.6 
40 24.3 
45 24.0 
50 23.7 
55 23.4 
60 23.0 
-0.3 
4 45 
5 00 
30 20.4 
35 20.0 
40 19.7 
45 19.4 
50 19.1 
55 18.8 
60 18.4 
-0.2 
5 00 
515 
30 15.6 
35 15.3 
40 14.9 
45 14.6 
50 14.3 
55 14.0 
60 13.6 
- 0.2 
5 15 
5 30 
30 10.8 35 10.4 
40 10.1 
45 09.9 
50 09.6 
55 09.2 
60 08.8 
-0.1 
5 30 
5 45 
30 06.0 
35 05.6 
40 05.3 
45 05.0 
50 04.7 
55 04.4 
60 04.0 
0.0 
5 45 
6 00 
30 01.2 
35 00.8 
40 00.5 
45 00.2 
49 59.9 
54 59.5 
59 59.1 
0.0 
6 00 
615 
29 56.4 
34 56.0 
39 55.6 
44 55.3 
49 55.0 
54 54.7 
59 54.3 
+0.1 
6 15 
6 30 
29 51.6 
34 51.2 
39 50.8 
44 50.5 
49 50.2 
54 49.9 
59 49.6 
+0.1 
6 30 
6 45 
29 46.8 
34 46.4 
39 46.0 
44 45.7 
49 45.5 
54 45.1 
59 44.8 
+0.2 
6 45 
7 00 
39 42.1 
34 41.7 
39 41.4 
44 41.1 
49 40.8 
54 40.4 
59 40.1 
+0.3 
7 00 
715 
29 37.5 
34 37.1 
39 36.8 
44 36.4 
49 36.2 
54 35.8 
59 35.4 
+ 0.4 
7 15 
7 30 
29 33.0 
34 32.6 
39 32.3 
44 32.0 
49 31.7 
54 31.4 
59 31.0 
+0.4 
7 30 
7 45 
29 28.6 
34 28.2 
39 27.9 
44 27.6 
49 27.3 
54 27.0 
59 26.7 
+0.5 
7 45 
8 00 
29 24.4 
34 24.0 
39 23.7 
44 23.4 
49 23.1 
54 22.8 
59 22.5 
+0.5 
8 00 
815 
29 20.3 
34 19.9 
39 19.6 
44 19.3 
49 19.0 
54 18.8 
59 18.4 
+0.6 
8 15 
8 30 
29 16.4 
34 16.0 
39 15.7 
44 15.4. 
49 15.2 
54 14.9 
59 14.6 
+0.6 
8 30 
8 45 
29 12.7 
34 12.3 
39 12.0 
44 11.7 
49 11.5 
54 11.2 
59 11.0 
+.0.7 
8 45 
9 00 
29 09.2 
34 08.8 
39 08.5 
44 08.3 
49 08.1 
54 07.9 
59 07.6 
+0.7 
9 00 
915 
29 05.9 
34 05.5 
39 05.3 
44 05.0 
49 04.8 
54 04.5 
59 04.3 
+0.8 
9 15 
9 30 
29 02.8 
34 02.5 
39 02.2 
44 02.0 
49 01.8 
54 01.5 
59 01.3 
+0.8 
9 30 
9 45 
29 00.0 
33 59.7 
38 59.4 
43 59.2 
48 59.0 
53 58.8 
58 58.6 
+0.8 
9 45 
10 00 
28 57.5 
33 57.2 
38 56.9 
43 56.7 
48 56.6 
53 56.4 
58 56.1 
+0.9 
1 10 00 
1015 
28 55.3 
33 55.0 
38 54.7 
43 54.5 
48 54.3 
53 54.1 
58 53.9 
+0.9 
10 15 
10 30 
28 53.3 
33 53.0 
38 52.8 
43 52.5 
48 52.4 
53 52.1 
58 52.0 
+0.9 
10 30 
10 45 
28 51.6 
33 51.3 
38 51.1 
43 50.8 
48 50.7 
53 50.5 
58 50.3 
+0.9 
10 45 
1100 
28 50.2 
33 49.9 
38 49.7 
43 49.5 
48 49.4 
53 49.1 
58 49.0 
+1.0 
1100 
1115 
28 49.2 
33 48.9 
38 48.6 
43 48.4 
48 48.2 
53 48.0 
58 47.9 
+1.0 
11 15 
1130 
28 48.4 
33 48.1 
38 47.8 
43 47.6 
48 47.5 
53 47.2 
58 47.1 
+1.0 
1130 
1145 
28 47.9 
33 47.6 
38 47.4 
43 47.1 
48 47.0 
53 46.8 
58 46.7 
+1.0 
1145 
12 00 
28 47.7 
33 47.4 
38 47.2 
43 47.0 
48 46.8 
53 46.7 
58 46.6 
+1.0 
12 00 
