rim 
508 
ENCAMPMENT ON SAME RIVER AS ON THE 2st. 
Determination of latitude, Ipril 24, 1844—altitudes of Polaris. 
OBSERVATIONS. 
Double altitudes of Polaris. 
- Deg min. — sec. 
32 945 
67 
67 32 
15 07 
16 40 
18 99 
19 41 
21 08 
22 [2 
Ee org 
24 Al 
7 2} 
28 «46 
True altitude. 
Index error = — 10 sec. 
RESULT OF CALCULATION. 
= 78% 43 i 
fs 0 of longitude, April 24, 1844—altitudes of. theres: 
OBSERVATIONS. 
FIRST SERIES. 
- SECOND SERIES. 
a 
2 My, 
Double altitudes of | Time of chronometer. Double altitudes of | Time of chronometer, — 
‘ Arcturus. 
MEO cea lh 
~ Deg. min. sec. he min. see. | Deg. min. sec. hi. min. see 
8 15 30 7. 32 08.0 87 «#06 «#45 73% 429.0 
8 46 45 33. 24.0 e 6. a7) 68 
SS os a Bp  @ 25 38 19.6 
86 27 40 35 (04.0 | 88 18 60 39 5 
—— ee ao 496. 5 88 33 45 40 12:0 — 
o> as sig ake = 
RESULT OF CALCULATION. 
__ Retard. ; Longit itud Ce 
—_— = 
a oT 58.8 116 2 eas 
