piv] 
b 
_ ENCAMPMENT AT THE HBAD oF re RIVER. 
Determination va longitude, Mas 20, 29, 1844—alittudes of o i. # 
a. w 528 
ae 
‘. ia» % OBSERVATIONS. 
—— + ~ 
2 # . as 
2 = ’ FIRST SERIES. | : SECOND SERIES. * 
* te ¥ | * Z - Nia 
He * | : 
_ Double altitudes of | Time of chronometer, Double altitudes of 
ie a: a Lyre. ” i. Sh ; : a Lyre. 
nail = es. in a ail spins = 
ie ra , a — >= : 3 Qs 
# Deg. min. sec. a min. sec « Deg. min. sec A 
4 82 15 6 58 44. 59 (04 «(15 
oo oe 59 (54.5 59 44 «(10 
— aoe £8 10 7 12.0 ‘60 05 15 
‘ “* : ‘Index error = +- 5 sec. 
ay . + a = a apts” 
: —_—_> —_ ; i > 
ae 3 : at RESULT OF CALCULATION. a 
> Mean time. Retard. 4. © 7 pongitade 
. : CS ea " : at a See 
i ; - _ — 
ge ie : * & 3 £7 
# hk. min. sec. » ¢ a aA. os sec. 
8 = b- 92 2g + 
Fs he r . 
. gee ve 
io caren tga is a : - : aa H 
gigs 4 oe ag ee a 
m = -s sx diereinlcal tions FORK. *s 
Determination of latitude, — 30, 1st allilude of Spica Virginis, 
a the meridiai Me 
a 
“ . OBSERVATIONS. “ 
1 ie wee : 4 : a : sa 
Double altitudes of Spica Virginis. . Time of chronometer 
it 5 
| a. eT to a 
a ae * i Th: 
: me :- 
& a et = 2 2 : 
