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Show NOON J1 \T. 'l' 01\ 'l'HE LE!'T H \ 'h IH' THe CULl MBl\ ]Jetcrminationoflatiludi!, Oct. '2, . 1:;-lJu•riJiun a l lit1lll's r!fliw ~ · i'. OB"EH \ '1'10~'· TiiiH' of l' ltrotlo!IH'lt•r. 1) t .."... · 111//1 • ·'I'I '. ''· IIIli/. ~1'1', li I I ·~ 11) I :.. l ~ ()' IJI 1.1 on !'i 00 fi I J!) 10 " ' I I () [ l 'i ·; ) . ..,.) I' I) fj I 1 'l :: {) !)I 24 f,[ h 10 f'"! ()' l J udl'x ••rror = + 1 min. :.! I :-1' •• 1: ESV LT OF I 'ALCCL \ '1'1 0 . True altitude. \ pp.lrt'lll tit IlL' of tra11.-,i1. L tti tud •. El\CAMPMEl\'1' OK THB LBFT U •\:\K OF COLI l\IBI \ l~l\ E R Determination of latitude, Octobe1· 30, 1S43-altitu des of Polan·:. OHS I·; R \ A'l' I 0 NS. l>oublt• altitudes of Poluri~. Tintr of chrnuonu•tt•r. ~-- De~. nun. sec. /J . 111111. .~I'('. tH 08 00 !I l ·~ l •. !)4 08 •> 50 J(j 0!) 94 O~J :Jo 17 17 !)1 lO 30 18 IJ! 9 l 1 l 20 91 2 () <H J 1 IJO 21 27 91 12 11) 22 l!J !)4 12 30 2:3 :3:l 91 [ :3 15 21) 21 94 1:3 40 2() "~ Index error ....,;; + 1 min. 2:l sec. -- RE VL'1' OF CAL LATIOJS". True altitude. Mean time. Latitude. ~ - Det. mm. ! ~C. h. 1/ll II. sec. Del;(. min. Sf'C. 47 05 2l tl ~ ~ 51~ 1!) 50 I)!) 437 [ 1i' ~ J f:J\'( ' <\~PIVJE~T ON 'I'JH~ LEFT B'\:\TK OF <'OLTT\ffll'\ HIVf•;n. !Jc e'er m i 11 r1 I io 11.. o / /on !{iltul f , Oc I oln• ,. J O, 1 ~.. ·I ~3 -a It it u de ~ of o. L.lJ r:t'. 013 'EHYATHlN<;. r· r 1l il T .., I n I FR. D uhlr altitnd!•s of a Lyra•. II 'l'imc> of rhrmtoln!•tc•r. Don hi(' altiturlPs of 'J'imr of r hronomrtN. 11 Lyra•. D£g. f/1/1/ , . ~cr. if•'I :l t 10 fl3 (l 50 82 4 (j 00 fl~ 2!) 10 fJZ 0.1 :)() "· tn/71, .'ler. /)('~ . mt n. Sf'r. ;,, !) 29 :.3.J.() TILtn. u c. :w HI 17 50 H 31 43 12.3 l :3o 20 :)!) :~7 :i [ 4H.O I Hl 12 30 :.36 :J() :J2 5:3 .0 ,/ 80 51 IO :n ~:; :10 51. 0 /1 80 :w 50 =~8 I Index rnor -= + 1 1nin. 23 sec. HE 'ULT 0}' CA LCUJ~ATION . --- Mean tim<'. Advancr. I~ongituue. ;,, min. sec. 8 2G 29 lt. nun. sec. Deg. min. ser. ] 07 39.1 119 22 18 SECOND ENCAMPMENT ON COLUMBIA RIVER. De1ermination of latitude, Octo1Jcr 31, 184 3-altiturles of Polaris. OB ERV.'\TJONS. Doul>le altitu(kA of Polaris. Time of chronometer. -- D~f.(. 91 94 94 !)1 91 True nltitnuc. min. 09 10 10 11 11 De~. min. ,<ta. 47 05 OG --- ser. JO 10 40 !10 10 lt. 9 Index error .... + 1 min. 22 sec. RESULT OF CALCU LA'I'ION. Mean time. lt. mm. sec. 8 35 :32 rnm. 40 12 44 4.5 47 sec. 51 59 00 48 02 I,atitude. Deg. mm. sec. 45 JH, 23 |
