%. 
511 
hae ‘ 
ENCAMPMENT AT HERNANDEZ SPRING. 
a 
[ 174 J 
_ Determination of longitude, April 29, 1844—altitudes of Arcturus. 
OBSERVATIONS. 
= FIRST SERIES. SECOND SERIES. 
ig é 
Double altitudes of | Time of chronometer. Double altitudes of Time of chronometer. 
“Arcturus. Arcturus. 
Deg. min. *. h. min e. Deg. min. sec. h. min. see. 
95 10 0 7 33 24.5 97 14 25 7 38 35.7 
95 ae 30.6 97 37 30 39 33.5 
96 05 30 5 35 8444.5 98 02 00 40 35.2 
96 40 ‘f 36 46.5 98 29 40 41 46.0 
96 . 56 15 7 37 = 48.0 98 56 30 42 61.6 
or 
“i _ Index error = + 10 sec. 
“RESULT OF CALCULATION. é 
£ 
Mean time '». Retard P Longitude. 
* 
hen min. sec. z h. min. see. 
8 40 12 ete | 02.0 
= 
ee of latitude, Aprit 29, 1844—altitudes ¥ Polaris. seh. § 
ss OBSERVATIONS. 9 ag MT 3s "# te 
eh ee 
a. , . é = %, cia 
38 Double altitudes of Polaris. . Time of chronometer. Rae 
et ae : $ h isi: 
. min. see. : wi? see E ‘ 
ie 58 45 . 7 49 14 si 7 
Ce . 50 «25 5129 a" 
68 57 —40 i ae “a t. 
: see 57° 680 54. 38 
: 68 56 <hO M og 56 =—s«BS ‘ : 
a x 4s af ‘ 
¥ Index error — “—- es sec. 0: : 
fig Pee 
li ION. 
é RELULT. OF ones ; : ee 
. min. gaa ‘ he min. _ 800. & os" 7 in ~~ 
= ST. 8B xt S: Sie; 04 e 31 
; ‘ ee BS 
