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Show [ ] 74 J 456 F:N(:AM JMBNT AT TLAMATH LAKE. 1 h·l e r 1111 n u 1 ion C!/ Ia 1 i tude, December 11, 184 3-m e,~idia n a ltiludes of the sun. onsEHVA1'ION:i. Time of chronometer. J )Cf!.. }II /1/, 'iCC. IJ. lltt/1. sec. '17 24 JU 0 32 11 1J7 2/i If> 33 09 '17 27 lf> 34 30 '17 28 10 36 52 47 :t9 2f> :3 ()0 47 30 10 40 29 tl7 JO 35 41 24 '17 30 35 43 05 '17 3J 15 43 .57 17 :J] ~() 44 .51 47 31 Jo 46 Jl 47 31 05 46 5G 17 ~~ 0 20 47 49 '17 29 40 IJ8 55 47 20 20 IJ9 56 17 28 JO 52 08 47 27 00 53 20 Jj 7 2f> 45 51 36 Jnucx <>rror - + l min. 32 src. RE. UL1' OF 'ALCULATJON. Tru<." cent raJ altitud . /\ pparcnt time of transit. Latitude. - --- n~::. 111in. S{'(', b. min . tc. Deg . min. sec. 24 00 33 0 44 ]] 42 5 23 - - 457 [ 174 J "f:N AMPMENT A'l' 'I'LAMATH J.AJ<E. JJelerminatiun of latitude. December 11, 181 3-altitudes of Polaris. On~H;llVA'riON Douhlc nltitu1le..; of Polnril'. Tirno of chronorncror. Dr g. ruin. 88 41 A 4 I 88 41 88 41 88 42 True altitude. De~. min. src. 44 20 36 'J((. 30 20 30 :r:> 10 Inuox error = + 1 min. 32 cc. HESULT OF CALCULATION. Mean time. h. nu:n. sec. 6 12 53 h. min. sec. 7 oo 45 02 00 02 59 01 22 06 12 Latitud . De~. min. sec. 42 66 47 Determinalion of lon tritude, December ll , 1843-altit udes of a. Lyrx. 013SERV A'flONS. }'I liST , ER I t:s. Double altitullcs of a Lyrm. - Deg. min. sec. 67 34 00 67 06 10 66 17 40 6G 3Z 40 66 15 50 M<'an time. 8f'C. 44 'fimc of chronometer. Douhlc ultitudcH of ''· 7 - n Lyra•. mm. .~ec. JJeg. min. 09 05.5 fi5 .38 10 25.7 G5 35 J 1 22.0 65 19 12 07.5 G5 03 12 56.5 ()4 /J2 lndc'< rrror = + 1 min. 32 srr. RB. ULT OF CALCULATlON. All vance. h. miu. 0 50 Sf' C. 43 .• 5 sec. 15 00 20 20 20 T it)IIC of chronometer. 1t. min. sec. 7 13 47.3 H 56.6 15 44.8 16 34.5 17 35.8 Longitude. |
