APPENDIX NO. V. 
383 
III. 
OBSERVATIONS WITH POCKET-SEXTANT. 
Juno 21 
June 24 
Latitude at noon by dead reckoning one mile from tho entering 
June 26 
The observation gives— 
Double Altitude. 
.g 60 
21*5 
O 67 
27*5 
66 
54-5 
Altitude O centre. 
. 33 
27*25 
Refraction—Parallax. 
1*25 
Correct Altitude. 
.O 33 
26*0 
Declination..... 
27*5 
Latitude. 
1*5 
The latitude by dead recknninn* is. 
Tho observation gives— 
o 
/ 
Double Altitude. 
59-5 
O 66 
04*0 
65 
31-75 
Altitude O centre. 
. 32 
45-09 
Refraction — Parallax. 
1-03 
Correct Altitude. 
.0 32 
44-06 
Declination. 
25-08 
Latitude. 
. 80 
41-02 
Tho observations for Longitude arc— 
Chronometer. 
Double Altitudo. 
h. m. g. 
O f 
7 11 12 
60 18 O 
7 37 35 
59 35 O 
The latitude by dead reckoning is. 
Tho observation gives— 
o 
t 
Double Altitude. 
.O 65 
35-0 
G 66 
40-0 
66 
07*5 
Altitude O centre.. 
03-7 
Refraction—Parallax. 
1-3 
Correct Altitudo. 
.0 33 
02*4 
Declination.. 
. 23 
22-6 
Latitude. 
80 20-2 
80° 33.7' 
The observations for Longitude are— 
Chronometer. Double Altitude, 
h. ro. b. o i 
12 30 5 55 40*7 0 
12 39 32 67 26-8 0 
Tho index error is applied in all the preceding observations. 
80° 1-5' 
81° 24*8' 
80° 41*02' 
80° 55*6' 
80° 20*2' 
