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Show [ ! ~ 4 J -i 14 TH l: mrnn· TL\NK Of 'I' ! Tl~ COLl MBIA, 15 MllE.· DELOW ' I'H t; UA."(' t\.J)E '-1. Dl' 1 CJ'' 11 i w' ion (If lo u; i • 'UI" . . Vo ·nnbcr l2, L .. 13-a/t it udcs of 1 he sun. OiiSE HVATION ... . OotJblr 'llt itndt'H of thr H ll ll ' ~ lower l11nh. T unc of <'hron omrtrr. / )c.<...r. , /Iii ii. 33 28 3" • ) 1G :34 00 31 l I ~H 24 ------ Mean timr. h. t11in. sec. 9 05 10 ~{'(' , 40 20 'JO 10 00 ] n<Jrx error = + 2 min. 6 sec. h. Jntn. sec. 10 ]:J 08.0 14 28.0 15 32.5 1 G 17 24.0 J 8.0 HESULT OJ? CALCULATION. Advancr. Longitude. ·-- !t . min. sec. 1 10 12.3 Detfrrn1:nulion of/a/ itude, ...V. ov. 12, lc 4 3-meridian altitudes of the sun. OllSEHVATJONS. ---- ----- --- -- Do"ble •ltifud<s of the sun', lower lim!>. --~------T-i_mc_o_f chrono_m_ct_e_r._ ____ De~. n11n. 52 5 52 57 52 5 ~2 56 ,')2 54 52 53 52 53 5~ 52 'I'rur central altitude. Deg. 2(i rmn. 44 sec. 24 •rr. 00 40 10 50 00 ,'lO 30 ..,~ ...,:) lntlex <'rror = + 2 min. 6 soc. I!E 'ULT OF C .~\LCULATJON. Apparent time of transit. lt. uun. 0 54 sec. 25 l1. lflin. sPr. 0 51 40 52 53 53 56 58 33 02 51 0~ 30 04 Jl 05 00 Latitude. De~- min. sec. 45 33 19 - - [ 17'4 J \ff:.->SIONARY ~Ti\TIOl\' AT 'I'll~ )\LL~~ OF' THE r· LuMBfll /)Pil'l'minalion of li lll ('. l'lol·r•mhn· '20. 18 1:) - u//illldr>. · r!f 1/u' \ lUI.. nn · r"'ATro~;- ----- DJuble nltitutll!~ of the sun'~ lowt•r limb. Tunc of' chrottOIIH'tn. I DottlJit• altrl udt'~-> ot' .:/~trnu ut' •ltr 1 w 111 et.cl'. "'lll' ·.~ lr>wcr lun1• D,..,,, , min. 911' !t. 35 53 20 10 :16 00 20 :lii 05 25 :Jti I I ] .') :J6 17 10 --- IIIII I. St'f'. 'i!) f>~.O :H,) 2tL .5 :J(J !H./ ;J7 ·~:}.() :J7 !)(j 2 II lj 'I t/ 1J·~. :Jh :j t) :~ti :f) ;J6 IlLII • ~) •) ""~ ..!14 :I :·~ ·l :J lndl'x <.'lTOI' + ~ Ill Ill. (j ~,.,. ,c. 't !t. ~() 11) l I) 10 1!\ -- RE"l UL'I' 01• t'.\LCULATION. Advan•·c. ----- ll. 1111/l . tJec. !I :36 I i. lt. 1111/t. 1 0' St't r: ·;· !) f!li/L . ' I :3 21}.1 :JH M. 'I ;l) ~2 l 3') -1 !), ~ 40 'U) 0 Deletminativn oft ime, JS'ove tJJ I)(:i .20, 1 S<l:3- altitude ... of a. ,!lr;uzl·l' on · E u v A'l ro 1'; s. ·---------------------- Double ull!tw.lc~ of' u Aquil;l'. 'i'i tt\!~ or chto no rnct.~r. D"t;· mi•1, 8!.J 4 l H!l l!) 05 8 Gl 88 :J'j h. 00 6 ()() 40 20 .r. --- [ndex. error -= + .2 nun. G :-.r't • RESULT 01'' CAUTLAT £0N IIIII/. 'W 1 4(1 !)0 50 Mc.m tir·tH' . dvanc<'. h. nu'n. ~ 41 /! ! tril l/ . 01 Ernersion of Jupiter's third satellite. h. G Ob~er\'ed tunc. min. 27 M an time. !. ,"; <bl ·"". 'li.fj 011 () 02 !' 03" !)II, () I ~-------------~-------·---------- • |
