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Show [ 174 J 51 ·! ENCAMP\1ENT 0 A BRANCH OF THE RIO VTn<iEN. !Jeterminrtlion of latitude, Jl'ia,lJ 5. lt)44-altitudes of Polaris. OUSEHV '1'10!11:-i. Doll hie altit\Jdes of Polaris. Time of \'hrononwter. lJ c~. lnt IZ. .~cr. h. 111.1.1/. Sl't:.. 70 11 20 (j 19 23 70 43 1\f> 6 51 10 40 f) r: •> 2{; 70 42 ,) ·) 70 41 40 It !">4 f>5 70 42 00 (j !JG 21 70 t!O :JO f, ;j, ()fj 70 :19 40 7 00 10 70 ' l\) 10 'I 02 4:1 70 as 30 7 01 1 1 70 J8 20 i' l) f> If> I11d(' error +!Osee. n ESU l/1' 0 I•' <'ALCULATJON. Trw.· altitude. Moun limr. Lutitudt•. Dtg. I1U 1/ . . ~a. h. Ill /II . ~{'(', !Jf>g. min . sec. :15 19 1!) H 08 ~[, !Hi 38 56 !Je/erminatiun of longitude, l'Y1ay 5, 1844-altiLudPs of a. Virginis. OllSEHV AT ION - . Double altitudes of u VirginiH. lJl'f{. rnin. sec. 7J 14 15 71 38 10 71 59 50 72 19 :w 72 37 35 -- -- ~--- In de. error = + 10 soc. 'I'imc of chronometer. -- b.. mm. src. 7 13 00.0 14 19.6 Hi 15.5 17 44.0 19 05.0 -- ------- RESULT OJ.' CALCULATION. M!'an time. /L. min . SIC. 8 27 07 Ret.anl. Longitude. h. mill. sec. 1 10 55.9 - - 515 [ J74 J l:NCJ\MJJMENT ON TJU.: Hl VJHGJ;;N. JJeterminat ion of tong it ude, May G, 1844-rtlliludes of .!lrctwrus. O.ll 'EH VA'l'J ON ·, Uoubl ult1tude' of Arct11rwJ. Deg. 8 H(i t!7 mi11 .. 06 41 sec. 10 1)0 00 lutkx error + I 0 HCC. 'l'imo of chronometer. ;,, min. 8fC. () :J:) 23.0 31 50.0 3G 01.5 ll E"iULT O:F' CA LCULA'l'ION. Mean tim . Hctard. Longitude. /,. min. 'ICC. ft. min. St'C 7 47 15 J 12 30 .;; DPtn·rniuation of latitvde, Alay 6, 1 ' 14-alliludes of Polan·s. 0 H 'E !.tV \ 1'IONS. Douhlr altitude ... ot PolmJH. Dcg. 1/ttll. ser. 70 41 30 70 40 15 '/0 39 1 [) 70 40 00 7 39 JO 70 38 40 70 !37 15 70 37 20 70 30 10 70 ;15 55 Index error '-'= + 1 0 soc. Time of chronometer. lt. 6 min. 54 56 57 119 00 02 M 06 08 09 ,•ec. 30 12 5!') 03 3;) 48 23 24 03 21 RESULT OF CALCULATION. 'fnto altitud . De~. min. sec. 35 18 01 Mean time. lt. mm.. sec. 8 H 24 L atituJ(I. J)e~. min. sec. 36 39 3J |
