| OCR Text |
Show [ 243] 110 First ('ncampntent vn the right bank of the Platte 1·iver.-Continucd Result of calculation. .. True altitude. Mean time. Latitude. <fe~. min. SI'C. ~3 14 13 <leg. min. St'c. ...................... 4~ 41 03 DETF.RMlNATION Ol•' LONGITUDE. June 2G, 1842.-Altitude of a Aquilre. Obse1·vations. FIRST SERH:S . SE:COND SE Jli~ S. -- -- Double altitude of a T ime of chronometer. Double altitude of tt Time of chronometer. Aquil a:. AquiJ:c. - tit!!; . /I tilt. .w e. h. min. src . drg. min. sec. h. min. sec 74 24 40 12 05 20.5 .................... . ................... 75 04 50 12 07 15 .5 78 3G 3,r):: 12 17 35.5 75 39 30 ]2 08 58.0 79 16 45 12 19 30.0 76 JO 10 12 10 26.0 79 44 :Jo 12 20 56.0 7{) 47 15 12 12 10.0 .................... . . . . . . . . . . . . . . . . . . . . llesult of calculation. Mean time. Advance. Longitude. - h. 11!111. .\I' C. h. min. src. clrg. min . sec. 10 ~l3 06 1 50 59 !.19 17 47 11!1. [ 243] S ·cond cncamputent on the 1·ight bank of tlte l)lattc 1·ivcr. DETI~ ll.:\ll'XATION OF LONGITUDE • Juno 27, 1 12.-Altitudc of a Aq uilw. Ouserva tions. FJH~T SERIES ~H:CONI) SF.Ri l':S. Double altitude or (l I T ime of rhronometer. Doui.Jle altit\ulc of a T ime of c~ronometcr AltUil a•. tlt~. 71 72 73 AqUila·. IIIII!. ~('('. h. /IIIII. ser. clrp;. min. srr. h. min. ~rc. 4: ~ 3· 07 10 11 51 4~.0 n 2G 20 It 59 38 50 It 57 20 .0 7:l 52 40 12 00 52 00 11 5H 41.5 7tl 50 00 12 03 38 Index error + 10'' Ucs ull of calculation. 'Iran lime~ Advance. Longitude. ----------------- It. 1111/1. .~('(' h. mi 11. st'c. drg. min. src. 10 07 03 t 5~ 05 9!) :n 45 I>f<:TCRJ\'ll NAT ION 01<' LAT l TUDE. Jn11c 27, 1 ~1~.-AitiiUde of Polaris. Ob 'f1'L'(I[1.0JIS. Duublu a It it lldt• of Po- Time of chronometer; bris. dt!{. mi,~o srr. "· 111 in. S/'1'. .., 5!1 4!i ll 13 o:J I i!l Ol :w l J J() 4() 7!1 04 00 11 20 40 -; !l 0!> 5!) 11 ~ t 12 i!l 07 00 11 26 05 llf'sult '?l calculation. Tnt I' all it nut·. Mean time. Latitude. elf;;. h. ?IIi"· Sl'('. tif;r. min. .~t r. 1111/1. sr,. :Hl :w !•0 !) ~8 :w 40 3!) 32 • |
