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Show [ 17-1 J GOAT I I.Al\ D, &c. Fnvnrahlc \\rc:1thcr cnnhkd ns to oh~· ~rvc h£'n~ nn orrnltntion of r. Aricti., wl1ich ncc·!lrrPd nt the mnott's hri~.!ltt lir11h, <rt O''· 05' '10" o{ the 31 t of Jnly, (rivil tune.) lt1 order tl tat it t.lligltt tw e:tlrulittf'd wid1 the rtd\'.llltngc of CtliTC~poltdelll nhscrva l iou~. and tl H' c·orrcr·t in11 of t Itt~ Pr ron: oft lle tabll's, the ob!-.crrat ioll wus ~Cill to J\lr. S.C. \\'r.ll<t>r, at Pltiln<lt-lplna. The fol] owin~ is the rc•s1tlt front .1\lr. \Vall<cr'~ cotll}Jlllatiou, without any correctiou ior errors of t!1e tables. J ul!J 30, IS 12 - ash·onomical lime. t d' b c r--J\. ·-~ ,--· ...A. --~ ,-...A./"1 ~ f'.A/'\ lm.~ Aricti:s l~lt. 5' 40"- 7/t. JO' !J~''.Ol + l.~!Ju + 1.611 + 2.4S8. 1Jy thn cstinmtecl cliff,·rrncc of longi rn clt•, thirty-two srconcls, (32",) the huwr disra11C'C o lrservrd <•t tlH' luou th t>f tl1e ~WP('t \\':ttt-r on 1he 23u of Augusr, is n-f~.:rwu to tl1is pine•·, for the 1.)11gll11de of which we have ndopteu 1he uwnu fronl c.:llrouometer, luuar 01 tauce, aud occult~tion, rcsul ting as f,,i lows : Longitude of Goat islanrl, hv hlll31' distance Lo11gi rud '~ of (~oat islaiH.l, hy ('!iroltOIIrCil'l' Longitnuc of Goat islaud, by Qccul tatiou l\tcnn JongituJc of Coat island ''· ==7 ==7 ==7 1/Ltrl. 10 10 10 sec. 07.91 51.66 32.01 == 7 10 30.53 Some of the oh.crr a tions nwd·· nt t!tis l'bce Wl·rc lost in the accident in the Platte river 011 tho 24th ol August. [ 1 7-J ] ENCAMPME~T 0:-f GOAT I LAND, N. f'OltK 0 1•' TJig PT.ATTl~ RJVElt. Del ermin rt I i01~ '?/ l t i !wit•, .Ju~y 30, 1 8'12 - all il wle cJ' 1/u .~ un i,., 1 he rneridia n. ----~------------·--------- 1 Double altituclt~ of th(' sun'11 lowf'r lirnb. DP..•," · m111. llr·r . 1 :.1 t 22 :lo 'True cculrJ.l allLlUll\}. l,ntitutlo. Deg. mm. .~rr. 6!"> 6G 52 JJeg. nm1. .• fc • 1~ :J:J 27 lnlll'"< ('rror + !2 o(•e. Dele'rminal ion of lon:-ritude, Jui.IJ 3 1, J ~' 12-all ilude of o. .llqui!re. OHSEHVATION!-{. Double altitude of a Aquilm. Tirno of chronometer. Dg. 1/LI/l . src. lt. m·n. sec. O!J 51 51J ~ Ol Cl2 V!.l ()9 30 :J (14 412 9!-4 4:> 50 3 05 4.l -- - HE~ULT Olt' CA r,CULATlON. Menu time. Athauct•. /1. rw n. ,<tf'r.. lt. min. src. () 46 6!1 2 1 () 36 Dflerminat ion of lrm/{iludc, ,/td!J 31, 184 2-allilude of o. • .llurigm. OB;o,EHVATION. '. Douhlc altitude of a Auriga!. Time of chronomrt('r. lt. 11/t/1. uc. " 13 40 DcK. nun. ser. 48 3 20 -------- RE~ULT OF CALCUI.A'l'IO!"!-. Hean tim£'. Advuucc. Longitude. lt. min. src. lt. nun. .'Ire. 1 57 00 2 16 31 |
