OCR Text |
Show [ 174 J 434 F.NCAMPM:CNT ON THE llLUE MOUNTAJNf:, EA~T OF THE SUMMIT. D()icrmina t ion of latitude, Octobe1· 19, 1843-altitudes of Polaris. OHSE RVA'l'JONS. Douhle oltit\Hlct> of Polari:-:. Time of chronometer. Dcg. min. stc. lt. min. M,C, 94 13 20 11 18 63 94 12 :..o :W 4 9tl 11 40 ~:J (ll CJ4 13 ..-~ o 25 15 ~}4 15 20 :.!6 43 94 15 ( 0 28 56 CJ4 15 ~ 0 ~l O 24 !l4 15 :iO J 2 00 H4 l[i 50 33 20 ~)tj !5 EJO ,)11 59 _!_ !Jldtx error + 1 min. 25 sec. RE UL'l' OF ('A LCUJ~AT J ON . True ; ltJtude. :Wean time. Latitude. ]1~. "llil1 . ,"f.. C. "· ltliT1. . '(C . lJ"!!· min. , ec. 47 07 07 !0 21 18 45 38 07 t:NCAMPME~T 0'\l WALAH\<\I"ALAH HIVEH, AT THE FOOT OF THE MOUN· 'l'AINS. Detcnn ·a f!t ·on lj' ia!iLu de, October 2 3, 1843- altitur!es of Polaris. O.DSEHV A'flOi'S. Donblr altitude~ of Polans. Time of chronometer. fJctr. mw. 9;) 38 9~ 39 ~l3 40 ~J3 41 !)3 41 Trur altitude. .Jlpg. rn.in. 4G 49 sec. 52 sec. 30 40 20 10 ~0 Jndex error = + 1 min. 2:.. ec. h. rlLin . sec. H 34 52 3G 32 'J7 37 3 39 39 37 RESULT OF CALCULATION. h. 7 Mean time. min. 3l sec. ~1 Latitude. D£g. 111111 • 45 ;,3 sec. 35 435 [ 174 ] y,NCAMPMENT 0 WALAHWALAH HIVEn, .\T THE FOOT OF THE MO-T- 'l'AIN::->. Determinal ion of Longitude, OctobPr 23, l S4 3-alt itudes of o. Lyra·. 0 D 'E BVAT10N . - - .. Douhlr altitude. of a Lyra'. Time of chronomrtrr. - --- lJeK· min. sec. h. rtu n. Sf'C. 108 on ;30 R 1:3 2f) JOI 4 'I 10 11 36 107 28 30 1!) 47 106 33 00 4 09 10(; 10 r~o 49 1 J lntkx <>rror + 1 min. 22 :-we. R E 'UL'r OF C' J\ LCULATIO~. Mean timr. Advanc<'. Longitude. Dcf,;. min. ur:. 11 00 39 ft. 111 in. uc 7 40 (l 1:. min. qrc. OG OG.3 AT FORT NEZ PEH<:E. De.c,.mirwlioll r~/la!ilu.rle Oct. 2G, 1 43-meridian altitudes oj the sun. 0 ll S E R VAT I 0 N .. Double altitudes of thr 14lln'" lower limb. Tirur of <"hrononwt<'r. Oeg. Ill ill. 6~ 20 6~ 21 62 23 ~~ 24 02 25 (J:t 25 ii2 2{i 62 27 fl2 2 2 28 62 29 ii2 29 G2 28 6'Z ~A 02 2 ()2 28 tl2 2S (j2 27 62 ~6 G2 26 True altitudr. Dcg. min. sec. 31 29 5() <1{('. !t . ';.! (J 0 50 30 4f> ]() 45 40 25 :w 35, 10 l !) !)!) 30 ~ () 25 00 20 30 Qf) - Jnd x error -= + I min. 24 f'<'C. HESULT OF C <\LCULAT JOl'\. Apparent time of tran,.;it. h. 0 111111. MC. 50 54 Tfi!n . rc. :37 4:3 38 35 ~HJ 33 40 49 4 I :)5 42 26 13 14 41) 10 18 ] 4H ] 1 4H -1tl 50 :39 .') 1 28 5~ 21 5:3 10 54 00 5.5 Hi ">G 14 56 Ml 57 56 -- Latitudl'. fhg. 46 TILl T1. S( ('. 03 4(i |