516 MAJOE-GENEEAL SABINE ON THE EESULTS OE HOUELT OBSEEYATIONS 
Point Barrow, 1852; Lat. 71° 21' N. Long. 156° 15' W. Magnetic Declination. 
One Scale-division =2'‘286. Increasing numbers denote increasing Easterly Declination. 
Mean 
O'-. 
D. 
2'-. 
S'-. 
4 K 
5". 
6 K 
7*“. 
8 \ 
9 \ 
10>>. 
ll*-. 
roint barrow lime. 
D. 
1 
2 
sc. div. 
sc. fliv. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
sc. div. 
3 
4 
5 
82-5 
75-0 
77-0 
74-2 
78-0 
70-0 
75*0 
*73-0 
*78-0 
*85-0 
6 
73-5 
77-5 
78 0 
79-0 
77-0 
75-5 
7 
75*0 
74-0 
8 
77-5 
77-7 
76-5 
77-2 
70-5 
78-0 
77*5 
74-5 
79-0 
79-0 
78-0 
*76-0 
9 
78-2 
78-0 
78-5 
77-7 
77-0 
76-0 
65*5 
75-0 
*62-0 
*73-0 
70-0 
78-2 
10 
80-0 
79-0 
80-0 
77-5 
75-0 
78-0 
*74-0 
*71-3 
*80-0 
*57-0 
*74-0 
*51-0 
11 
73-0 
78-0 
72-0 
76-0 
62-0 
85-0 
87-2 
86-0 
85*5 
53-0 
*50-0 
58-0 
12 
87-0 
73-2 
70-8 
78-0 
89-2 
86-0 
81-0 
74-0 
72-0 
88-0 
68-0 
Ho) 
13 
73-0 
72-0 
73-0 
77'2 
79-0 
79-0 
65-0 
*74-5 
*(a) 
*15-0 
81-5 
71-0 
14 
a 
15 
80-0 
72-0 
73-0 
75‘0 
76-0 
75*0 
77-2 
77-0 
77‘0 
72-2 
91-7 
76-5 
> 
16 
72-0 
59-2 
64-7 
68-0 
70-0 
70-0 
73-0 
*68-0 
*48-0 
*69-0 
*75-0 
*46-0 
O 
17 
66-2 
73-5 
75’0 
76*5 
75-0 
75-5 
83-0 
73-0 
76-0 
59*0 
72-0 
15-2 
18 
71-0 
72-0 
72-0 
72-0 
75-0 
65-0 
74-5 
69-8 
76-0 
*73-5 
*71-0 
*77-0 
19 
76-0 
78-0 
69 0 
72-0 
74-0 
75-0 
70-0 
70-0 
75-0 
67‘0 
76-0 
70-0 
20 
21 
75-0 
74-0 
73-7 
77-7 
77-0 
73-0 
75-0 
74-0 
75*0 
75*0 
75-0 
75-0 
22 
79-0 
77-0 
79-0 
72*0 
73-0 
75-8 
77*5 
75-2 
78-0 
78-0 
*75-0 
*76-0 
23 
74-0 
76-0 
74-0 
71-0 
68-0 
75-0 
72-0 
78-0 
76-0 
81-0 
75-2 
72-0 
24 
65-0 
78'0 
77-5 
78-5 
82-0 
74-0 
75-0 
76-0 
74-0 
76-0 
79-0 
76-0 
25 
74-0 
76-0 
72-0 
67-5 
70-0 
79-0 
75-3 
80-0 
75-0 
75-5 
79-0 
75*0 
26 
79-0 
66-5 
53-5 
72*1 
*760 
*88-5 
*80-0 
♦74-0 
76*5 
9P0 
*102-0 
80-2 
27 
28 
80-0 
76-0 
71*0 
83-0 
84-0 
76-0 
76-0 
76-0 
77-0 
77-0 
t 75-0 
75-2 
29 
71-2 
72-0 
70-0 
71-5 
69-0 
75-0 
73-0 
78-0 
74-0 
74-0 
74-0 
73-0 
- 
30 
69-0 
72-0 
72-0 
69-0 
74-0 
70-0 
62-0 
63-5 
33-5 
71-8 
*66-0 
85-0 
1 
64-7 
73-0 
74-0 
71-0 
71-0 
73-0 
69-0 
73-0 
65*0 
69-0 
*82-0 
*108-0 
2 
71-0 
71-7 
71-0 
70-9 
72-0 
74-0 
76-5 
*62-0 
*95-0 
*62-0 
*100-0 
*37-0 
3 
75-0 
60*5 
67-5 
67-0 
72-0 
710 
69-0 
72-0 
71-5 
72-5 
73-0 
72-0 
4 
5 
66-0 
74-0 
70-0 
70-0 
72-0 
72-0 
71-0 
*62-4 
77'5 
69-0 
69*5 
66-0 
6 
81-0 
75-3 
76-2 
76-5 
79-6 
80-0 
80-5 
79‘0 
78-0 
76-0 
*78-0 
*60-0 
7 
73-0 
77-0 
75‘0 
76‘0 
71-5 
77-0 
*75-5 
*86-0 
*82-0 
*73-2 
*89-0 
*72-0 
8 
73-0 
65-0 
68-0 
72-0 
76-0 
78-0 
*74-0 
*88-0 
76-7 
*56-5 
*69-0 
*75-0 
9 
65-0 
66-0 
78-0 
76-0 
72-0 
75-0 
73-0 
*66*5 
*70-0 
*71-7 
*79-7 
71-1 
10 
75'5 
68-0 
75-0 
73-0 
72-7 
78-5 
78-0 
*83-0 
81-0 
*72-5 
*85-0 
*88-0 
11 
1 2 
75-0 
75-0 
78-5 
79-0 
77-5 
87-0 
73-0 
*78-0 
*75-0 
*76-0 
*75-0 
*110-0 
13 
72-3 
75-0 
79-5 
59-0 
75'0 
70-0 
81-0 
107-0 
90*0 
*87-0 
*76-0 
*100 0 
1 Ir' 
14 
68-0 
79-6 
79-0 
72-0 
52-0 
*79-0 
85-0 
76-0 
99-0 
*81-0 
*77-0 
*82-0 
1 5 
79-0 
73-0 
77-0 
79-0 
78-0 
80-0 
80-0 
*80-0 
*76-0 
*89-0 
*86-3 
*77-0 
1 S 
16 
81-0 
82*0 
81-0 
86-0 
81-0 
79-5 
76-5 
80-0 
81-0 
80-0 
81*5 
83*0 
1 o 
i 0/ 
17 
83-0 
85-3 
82-0 
Q 
18 
19 
20 
1 
1 
21 
82-0 
84-0 
89*0 
86-0 
86-0 
87-0 
85-0 
S6-5 
82-3 
1 
1 
22 
77-5 
77-0 
85*3 
81-3 
82-0 
85-7 
77-0 
*82-3 
*85-5 
87*7 
80-0 
92-0 
1 
23 
89-0 
72-0 
89-0 
92-0 
86-0 
81-0 
87-2 
89-0 
91-5 
87*7 
91-2 
90-0 
1 
24 
81-0 
82-0 
77-0 
82-0 
89-0 
75-0 
80-0 
86-7 
84-0 
85*0 
S7'5 
84-0 
25 
0(5 
75-0 
75-5 
85-5 
8.3-3 
84-5 
84-0 
87-0 
84*0 
80-0 
^145-0 
74-0 
81-0 
27 
83-0 
82-0 
86-0 
82-0 
83-0 
81-0 
85-0 

86-0 
88-0 
77-0 
86-0 
90-0 
28 
94-0 
82-0 
75-0 
*69-0 
*78-0 
*65-7 
*43-0 
106-0 
73-0 
*67-0 
29 
80-0 
82-0 
86-0 
86-0 
*79-5 
*78-0 
*80-2 
*80-0 
88-0 
83-0 
90-0 
82-7 
30 
86*0 
84-0 
87-0 
86-0 
85-7 
85-0 
83-0 
86-0 
87-0 
85-0 
*86-0 
87-0 
31 
85-7 
84-0 
83-0 
86-0 
87-0 
83-0 
86-0 
*84-0 
81-5 
83-0 
83-0 
81-0 
Observations noted with a * were made when the Aurora was visible. (a) Off Scale West. 
