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Show [ 1.74 J 540 ENCAMP n;NT I r 'l'JHJ HAM£·~ VALLY.:iY AS ON TIH: t:Jth, BUT IIIGHF.It !Jt)L£•rminotion rd lalilurlr. June l tJ, 1 S 14 altlludc.· of Polaris 0 H" J•: Jl VAT J 0 ~ S. Dou!Jil· a lti tuJt•t; of Polaris. Time of chronometer. Deg. min. S(.C. h. min. sec. 1!J 36 25 7 28 28 79 :17 2;) 29 23 79 38 00 30 21 79 37 30 31 26 70 2 20 32 21 79 :39 :30 33 16 Indox error -= + 7 sec. HE. UI.T OF CALCULATION. Tru altit ud.c. Mean time. Latitude. Def.f. min. sec. h. mtn. ,'/CC. Deg. mm. sec. 39 t17 19 9 23 46 41 68 16 Dete1·mination of longitudf', .June 14, 18..J-J..-altit?.tdes of~ Cygni. OB~EUVATIONS. Double altitudes of ct .. ygm. T ime of chronometer. ----- Deg. mrn. 8lC. h. nu:n. sec. 63 30 50 7 36 06.0 63 51 30 37 10.0 iJ:l 08 40 38 07.0 63 26 50 39 03.0 63 43 30 39 56.0 65 01 00 4.0 5 1.0 Thermometer 56°. Index error = + 7 t>Cc. RESULT Olt' C.ALCULA!I'ION. - -·--- Mean time. Retard. Longitude. ft. mill. sec. h. . mm. ttec. 9 31 26 52 54.1 -----------------L----------------~------------ 5·11 [·~NeAMPMEN'r 'I' N~·~W P:\HJC JJetermuwllOll of lol?lurlt· ./11nr., 1!), 1H4,1 1 o ll!,ttlt; )' oj J>oto,·is. Donhlto alllllllks of Pol»m~. 'l'iu~t• of chrotwruC'Irr. ''· Ill/ II. • rr 7 l tl :37 1() IG 17 !!1 s tl.! 20 21) ~ l :J!) 2:l 00 H O:> !l:i Jfl 2G 37 Dr:.:. ff/111 ,·rr 7!1 o:1 10 79 o:J 30 70 01 00 79 03 f>O 70 0!'> 00 7!) (15 :10 70 ();) -1!) 79 (JG 00 70 0() 10 'i9 07 2!) + 7 f;{!(' , ~ HL~HI.T Olo' CALCIJJ.ATH>N. 1'ruo nltituclc M<'au tunr. I Lutrtndc. {)eg, 1/L/Il Me. lt. "' ( f / \ ('{' :1~ 3l ~5 ~ l!i I j),~ uun ·'CC. 18 ttu 52 11 Dete1"mill(t/ion oflnii/.Jillfdt• .luJil' 15 1814 all '! 1 .r c · , ' , - t. 11r f's o.J u. , ygnz,. OB'-E H \ A'l'lUNS. Doublr .dti tucl<~ vf 11 ~~yg111 -- 1'irlJI-: of <'hronwnotrr. Deg min. .~e~. 6:1 08 50 6:l 32 45 6:J 5(1 00 61 05 10 ...__ __64 21 30 - ------·-- Thermometer 44°. Index error = + 7 sec. lt. nun 7 :10 ~H :}2 33 34 ltE ULT OF CALCULATION. M'C. 25.0 42.0 36.0 24.2 15.0 Mean time. -- - ------------ Retard . -------j---------------------- 1 h. min. 9 26 sec. 51 h. min. 1 54 ...........-.. ---.!____ __ 8CC. 22.6 LoRgitude. |