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Show r 174 J 420 ENCAMPMF.N'f AT THE FOR\ D W]J r~:...o nl:""' Tin~ ROAD CROSSl~S SNAKE TIIVP.R. Drlc1·rninal1.0 n f! ( l on..r.r, t' tude ' Octobfr 3, 1843-altilurlcs of o. Lyt,r·. 0 B:-.ER V \'f IONS. Pl HS'r :; T; 11 I J:A · l'a:eoNn SEltn:s. Houhh• all 1 tmk~ of II J .ynr. 'l'inw of chroJIOilll tt•r. Uonhlr altitnd<'t; of Time of chronomttrr. })£g. l)f) !t4 94 9!1 9~1 min. 8('1'.. ()!) 20 .l9 30 1:.! 10 50 51) 24: 50 M an tuuc. lt. mm. 9 35 sec. 38.29 "· )() 1t Lyr:t'. min. srr. JJr,r.r, . mill. :)5 IJ:l.'1 92 f>G :w {)1.3 92 :lO .'3~ 12.0 !)~ 06 :w 11.0 HI -1 I 10 24.. 5 91 11 Jndcx error "' + l min. 30 l'l('C· RESULT OF CA T.CULATION. Au vane<'. 1!. min. 1 05 sa 28.9 --- srr. h. min. sec. 1!) 10 41 42.0 :10 12 68.0 10 44 10.4 00 45 17.0 50 46 :19.0 J .ongitudc. Dr~. mw. .1ec. 1 1 5 04 46 Ernersion of t!te first satellite of Jupiter. RE ·uiAT OF CALCULATION. Observed time. Advance. h. mt.n. cc. h. min. sec. H 30 42 1 05 30.3 -------~---·- • Longitude. Dcg. 115 min. 19 421 [ 174 ] ENCAMPMENT 0 IHG WOOD RIVI·m, OH lUVfEJU~ BOIRBE. J]ete1·mination of longitude, October 7. 1813-altitudt•s of tlte sun. OB 'EHYA'l'lONS. Flli,Wr S t: Jl UJS · Double altitude~:~ of the T.imo of ch ronometcr. Jowcrlimb ofthesun. Double altitudes of tho Time of chronometor. lower limb of tho HUll . Deg. min. sec. 36 22 65 36 10 00 36 01 05 35 48 20 36 30 25 lt. mm. !lt:c. Dt>g. min. sec. ( 46 21.0 35 28 GO 47 03.6 35 20 35 4.7 31.0 (' 35 02 (10 48 08.7 31 63 30 18 37.8 31. 1.5 20 h. ?ntll. sec 1. 1.9 11.0 49 36. so 35.3 61 00.5 51 25.0 Index error ::::a + 1 min. 30 sec. RESULT OF CALcurAA'riON. -- Mean time. Advance. ------------------- Longitude. • lt. min. sec . 1 06 42.3 h. min. sec. 3 42 14 Dl'g. min. sec. 115 51 46 lJetermination of latitude, October 7, 1843-altitttdes of Pola'ris, (with lite sextant.) OB ERYATION Double altitudes of J>olaris. Time of chronometer. Deg. 88 88 88 88 88 True altitude. min. 21 22 24 25 26 sec. 40 30 2() 25 10 fl. 8 Index error -= + 1 min. 30 sec. RE ULT OF CALCULATION. Mean time. ------------------ -------- Deg. min. 44 11 sec. 49 h. min. 7 35 sec. 1.8 min. 38 40 42 44 46 sec. 54 49 49 14 15 Latitude. Drg. mm. 4:J 35 sec. 33 • |
