u 174 ¥] = 2 O16 * 
ENCAMPMENT: ON THE Ro ‘VIRGEN. 
Deana deaiion of longitude, May 7, \844—allitudes of t the sun. 
OBSERVATIONS. 
a 
& if ends heb his age 
FIRST SERIES. SECOND SERIES. 
i 
| 
| Double altitudes of oe Time of chronometer. 
* 
Double a ‘the | Time of chronometer. 
low ‘ sun’s lower 
sun’s 
» Deg. hth. see. ¥ he. min. — see. 
0 0! 5 
oo 
on 
oy 
Y me 
ps 
ao 
CJ 
Qe 
43 34 50 0 0 AT 66:4 
43 50 00 24.3. 
10 60 450. 2Be 15 49 02,9 
44 24 10 | 345 ae. YO 49 31, 
- 41 45 | 46 a 35 50 00.0 
i 
‘ 6 Index error =-+- 10 sec. 
ss RESULT OF CALCULATION. 
GR RO pee RD Be armen co mers ie 
- = ‘ : 
Mean time. Retard. Longitude. 
a oe: 3 
h. min. ~ see. h. © min. — see 
6 59 58 I 12 15.5 2: ol 
Pe = 
= 
SECOND ENCAMPMENT ON THE RIO VIRGEN. 
Determination of longitude, May 8, 1844—altitude of Arcturus. 
i = * 
» 
OBSERVATION. 
