OCR Text |
Show [ 17-1 J 382 ECOND ENCAMPMENT ON BLACK't-) J''OHK OF GHEEN HIVER. JJete·rrnin.ation of longitude, .!lugust l , 1843-altitudes of a. Jlquil~. Oll ' Jt~ U V A'fiONS. Doublt• altitudes of a Ac1uiloo. Time of chronomct<'r. Do.{. rn i.n. sec. n 51 10 h. min. sec. ~ 12 3 a.m. 7'i 29 10 44 23 "{4. [)7 30 45 42 75 22 40 4G 51 75 !)4 ~0 4 1 f nd('X t'rror = - 30 ~('('. ll.l';SUJ,'l' 0:1!' CALCULATION. Mean time. Ad vane'. Longitude. f)etermination of latitude, .!lugust 18, l 843-ultitucle8 of Pola1'is. 0 BS.!!~RVA'l'10N ·. Doublu altitutk:-. or Poluri:;. 'J'inlC of chrOllOlllclCr. lt. min. .~rc . 2 fl 1 02 a.m. .Oeg. 111in. ,,c,.. 'l5 ~7 10 f)~ 50 54 59 75 28 15 75 :lU 21) Index error - - ~W !:lee. llESUL'f 0:1!' CALCULATION. True altitude. Mean lime. Latitude. - ·---·- ------------_________ - ....____:__.---~- 383 [ 174 J ENCAMPMENT 0 A • 'MALL STREAM 'J'WlJU'l'AHY TO HAM', FOHK. DeteTmina t ion of long it urle, .!Ju trust 1 , l '4 3-altitu tics of J up it cr. O li SJ.~H.VATlON • Double altitudes of .Jupiter. Tinw of chronomct r. De~. 111/IL . ~ ('('. 60 15 10 60 2!) 30 GO •II 10 ()() 53 00 Gl 0~ 10 h. rni11. sec. 1 I 11 21.0 1!3 02.1 14 2!J.O 15 42 5 1G 17.0 ----------- lnclcx error - 32 H<'C. JlE~ U L'l' OF CALCUJ,. 'l'lON. Mcun time. J •OIIgitud<•. Dete1'rninalion rif tong it ude, .11 ugust 18, 1843-alL itudes of a. .!lndronwdu.>. • -- _ ' - 013 SEn V .i\ '1' I 0 N .• Double altitudes of ct AndronH•da·. 'l'im' of c\ronolllCII·r. IJ~e;. ·min. !10 ]!) !) } 00 91 :32 !ll 55 !)2 21 ;. Mcun time. lt. min. 10 4.2 sec. 19 $('(', h. :30 I l 20 00 ~0 00 Inu ·x error - -32 sec. llE~UJ.'J' OF CAJ,.CU LA'l'lO.N. Advance. lt. rnin. sec. 1 13 49.4 rum. 5:3 !)5 !)li 57 5!.1 Deg. 110 ${'C. 52.0 21). () 50.4 5!}. 0 05.0 111in. 45 ser. 58 |