[174 ] 476 
| FOURTH ENCAMPMENT, NEAR A GAP. 
Determination of longitude, January 22, 1844—altitudes of Procyon. 
OBSERVATIONS. 
‘ Double altitudes of Procyon. Time of chronometer. 
Deg.. min. sec h. man. — see. 
56. 87 90 . 7 
57 34 20 53 51 
58 13 25 55 39 
Index error = +150 sec. 
4 RESULT OF CALCULATI ON. 
: ‘Mean time. Advance. Longitude.” 
he. min. sec kh. min sec 
7 36 Ol 0 a7 52.8 
ae 
CAMP ON A — BRANES THE STREAM OF ENCAMPMENT OF 
ao of latitude, — 28; 1844—altitudes me Polaris. 
“e “ a * OBSERVATIONS. 
cc gee 
=e Ll — 
Double altitudes of Polaris. Time of chronometer. 
Deg. min. — sec. h. min. — see. 
79 44 50 r a yf 2S 58 
44-40, 25 (kT 
43 45 ee,  OCae 
79 42 45 28 04 
40 gg 29 OL. 
79 42 40 30 07 
79 41 at: 3 
79 41 10 3% SB: : 
79 30 Se ae 
7m 25 4 
Index error = ++ 50 sec.- 
RESULT OF CALCULATION. 
