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Show [ n74 ] 476 FOURTH E rcAM PMENT, 1-:AH. A GAP. Determination nf longitude, .To nuary 22, 18 14 - al/ iludes of Procyon. 01\SF. R VAT TON Double altituc1rs of Proc.yon. Time of chronometer. -- h. min. Sf'C. 7 52 12 53 51 !)5 39 Drg. min. sec. 56 ':l7 20 57 31 20 58 13 25 RESULT 0~' CALCULATION. Mean time. Advance. Longitude. , h. mt.n. sec. h. min. sec. 7 36 01 0 17 52.8 I ---- AMP ON A OUTHERN llRANCH OF THE TREAM OF E CAMPMENT OF 22d TO 23ti. Determination of latitude, January 523, 1844-altitudes of Polaris. OI3SEllV ATIONS. Double nltitUtles of Polaril'. Timo of chronometer. ---- ])~~· min. sec. h. min. src. 79 44 r>O 7 23 58 79 44 10 25 27 79 4-3 45 27 00 79 42 45 28 04 79 4.2 25 29 Ol 79 42 4.0 30 0"1 79 41 35 31 28 79 41 10 32 35 79 10 30 33 49 79 40 25 :J4 M -- Index error = + 50 sec. HESUJ,T OF CAJ,Ct"LATION. •rruc altitud . Deg. mm. sec. 39 50 30 h. 7 :M' ran ti rn . 11/.1n. sec. 1:3 Ol Latitude. Deg. min. 38 36 sec. 19 --- 477 CAMP ON A SOU'I'UEHN DR\ ' ('Jf or TJIF. ~Tngl\."vf OF F.'< '.\ 'vfPMEN1' OF 2:ld TO 2:3d. IJetermination of long it uric, Ja/l/l(t'r!J 2 :~, l S 14-u II itutle\· of Proc.'JOll. OJ~'-;EllV \'!'ION'\. FJll'i'l St:llli~S. Douhlo altituucs of Tim!• of rhrorJIIIIH'kr. Procyon. J>nuh1t' :dtit lldl'l' or I 'l'ill)(' of Chll.lfiOIIH'ler. Prot~ 011 . ----- 'I ;,, It// II. ,\('(', 7 :3:~ t!J ") Deg. mm. scr. 6:3 57 20 !Jr·•:. Ill If/. 5f> ·1 I 64 24 ~() :JI) !);L 1 r.~ .).) !'l 1 51 45 20 10 1 D.O !')(i :w 55 O:l 25 tl I :3ri. 1 !) (j tf I 56 20 30 1~ 21.:> [>{j !>7 II " f IH h> \ l' 1'1'01' ·+ f)() H('C:. HESUI..'l' OJ•' CALCUL \TCON. Mean time. lt. min. .vc. 7 26 12 , ______________ j /1 }/fill. ;.P(', 0 IG :37.0 /If'('. ;,, lui rt. 1(1 7 4:3 5() til\ ()() 41 lO 45 20 •lG Longituck ENCAMPMENT 0 r 'l'H 8 JH; \lJ \YATl·~ tt::.; OF A S'I'HE \M. .~fl'. 1(),0 02.2 59 .I) 56.1 :38.0 Determination of longitu de, January ~4, l · 11-attitut!es of Procyon. 0 B-; l' H \' \ 'I' 10 N Double altitudes of Procyon . 'l'mw of chrononu'ltr. Dcg. min. sec. h. 1u.in. ser. 5:3 07 20 'i 31 :37.7 53 35 15 32 5 1.0 53 58 45 3:3 53.4 54 16 40 :H 10.!) 64 4.0 50 3!) 4.2. 7 55 00 20 36 36.0 Ind x en or=+ 4 r-;cc RESULT OF CALCULA'riON. Mean time. Advance. Longitude .. --- --------- h. min. sec. 7 18 16 h. m.in. sec. 0 15 57. |