Se ee RO a ee Sate ere Lee 
i a Sie iat aa aca 
4 — 405 Teva 2 
ENCAMPMENT ON BEAR RIVER, SOUTH OF THE GAP—A MAIN STATION. 
*, 
RS 
fa 
| Determination of longitude, September 13, 1843—altitudes of o Lyre. 
OBSERVATIONS, 
Double altitudes of a Lyre. Time of chronometer. 
Deg. min. see. A min. 8€C. ‘ 
80 49 00 12... oat 
zy 80 20 33 51.5 
79 12 00 36 0 
. at 
sont Index error = + 1 min. 40 sec. 
ee a ’ * 
; RESULT OF CALCULATION. 
Mean time. - Advance: ~ ~ Longitude. 
# 
~ Determination of longitude, September 14, 1843—altitudes of the sun. 
OBSERVATIONS. Sees 
FIRST SERIES. : * SECOND SERIES. 
ochiorsninilas’GFUse| 155s et ctnonoencter. | Dende cidicled Mlb | Boas OF chronometer 
sun’s lower li sun’s lower limb. or 
in. see. h. min. 8 Deg. min. sec. “he -min. _ see. 
42 12 00 5&6 16 18.5 40 24 15 6-421» 213 
17 aT 40 10 20 21 59.7 
41 18... 05 18 50.3 39.. 69 246 22 «29.2 
41 00 19 28.0 39. a6. 74 23 «00.4 
40 48 25 20 «12.4 39 37 = «630 23 «30.4 
Index error = +- 1 min. 39 sec. 
. RESULT OF CALCULATION. = 
— ; 
pag =< 
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$= 
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