a eee ee Sc ie a 2 ee Oe ee, ee a ee ee ee eo a ee 
{ 174 e 354 
. ENCAMPMENT ON THE SOUTH FORK OF PLATTE RIVER. 
Determination of longitude, July 8,1843—altiludes of the sun.. 
ee OBSERVATIONS. 
FIRST SERIES. SECOND SERIES, 
Double ska . the |.Time of chronometer. |; Double altitudes of the | Time of chronometer. 
a's lower li ; sun’s lower limb. 
| : M 
pe. Min. seco, | it. min. se. Deg. min. sec. h. min. — Bee. 
/ 4a... 68 : “6 560 - :44.0 y. 746 ~ RE 6 <6T  -48:3 
By. #65 10 52 34.5 20 00 00 58 26.0 
FS £45 10. 64. <66.5 20 }2 50 59 01.3 
o2k0. 05 46 | 55 251.0 30. ~492 ~ 2 . bbs 959 229.0 
19 30 15 i | ig! 02.5 20 ot 20 7 00 11.0 
Index error = — 29 sec. - 
RESULT OF CALCULATION 
= : *~ a 
| 
Mean time. + | Advance. | Longitude. 
ne | = 
cht. min, Bee. | i. min, ‘see. | 
5 36° 05 | oa 18 B58 | 
: ares & } 
wy ve “ = : : 
Determination of longitude, July 11, 1843—altitudes of the sun. 
ESO SASH SAVER ST TA OBSERRATIONS o> ; 
FIRST SERIES. : _., , SECOND SERIES. : 
‘Double altitudes of the | Time of chronometer. “eet mc id the | Time of chronometer, 
~~ suin’s lower limb. un’s low : 
| <0 
. min, sec, h. min, see. Deg. min, sec. he min. sec.~ 
BSiaxe Sicctun |: £02490. 23.01 a. ee ae 6 38 18.6 
i4ga 50- $0 |. Of 2:31 17.6! dk 1654 90°; 39, 100 
44 00¢2 40° ey 31 55.0_ 41 00... 45 - 39 49.2 
43 48 20 G2 BL: 40. 44 20 40 33.5 
~mcnenry sete ~So- . a Bt fae 30 - ‘a ree 
- U St tig = aite xabinf 
segues * aot ams . rene 
———_ RESULT OF CALCULATION: — orem — 
cist 
Advance, he —s 
<a me =e ear tr 
<6 8 Bo ~ Sh. BE 
ee se! ee : fe 
