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Show [ 174 ] 510 'CALP CAMP, ON THE I PANI JI 'l'RA 11. neter·minatinn of latitude, .lipril 25, 1844-altil'ltdes of Polaris. Oll.'ERVATJON'-1. - Double altitutlcs of Polaris. TirnP of rhro11omrt(•r. -~ h. min. sec. 'I 21 35 l>"K· mm. sec. 68 00 00 f)7 69 :~o !lG 21 G7 f> 30 ~ 02 G7 57 20 ~9 I 'I 67 57 10 ~0 !)() 67 5G 40 32 :35 G7 !)5 30 :~:~ 51 67 55 40 :l;> 09 67 !)4 50 :}tj 45 67 54 ()() :H~ 2G 51] [ 174 ] ENCAMPMENT AT HERNANDEZ 1;: PRING. ]Jetermination of longitude .llpril 29. 1 '44-altitude~ of/irctwrus. OH EllVA'l'lONS. TIRST SLJHL ' . Double altitudes of Time of chronometer. Arcturus. Deg. min. sec. 96 10 ) 0 95 36 15 96 05 30 96 30 40 96 55 1!) h . 7 111 in. M'C. 3:~ 21.!l ~J4 30.6 as 41.5 ;w 46.5 '7 4 .0 c.;E r o~n sun n: . Double altitudr~ of Arcturu . Def{. min. S('C. 97 14 25 97 ::l7 30 98 02 00 98 29 40 9 66 30 Time of chronometer. ''· min. sec. 7 38 35.7 39 33.5 40 35.2 41 46.0 42 51.6 I nd(•X error= - 7 !-:Cc. lHtlr-x error = + I 0 ~:,ec. HE!:iUl.'l' I.H' ('AJ.CULATION. nE::;UI.T OF CALCULATION. True altitude. Deg. rnin. sc c. 33 56 57 Mean time. h. min. sec. H :50 36 Latitude. Del{. min. sec. 35 13 08 Determination of longitude, .ll;n·iL 25, 1 ~1<4-alLitudes nf n Lyr:r. OUSERVATIONS. Double altitude of a Lyr::c. I 'l'imr of chronomclcl. I -' -- Deg. mm. sec. I h. 111in. ~LC . 811 3:3 00 I I 1 12 Ol.G 85 02 3') I I :~ 20.0 85 2!.1 1 f> 14 31.2 85 55 10 lf> 12.0 so [)4. 20 I • 11.0 -~---- Index en or = - 7 ~ec. HE ULT OF CALCULA'l'JON. ----------------~~---------------------- Mean timr. Hetard. Longitude. lt. min. sec. II. min. .'/ec. 12 14 00 0 5!J 14.4 --- Mean t1me. Hetard. Lon~1 tuoe. h. mi11. set. 1/. min. uc. 8 40 )2 ] 02 02.0 Detennination of latitu de, .li.p1·il 29 l 44-altitudcs of Polaris. OH'iEl'lV AT ION D¢uble altitude of Polan . T 1m of chronometer. De{!, . 'ltttn . 68 58 G 59 68 57 GS 57 GR f>(i True nltttuck .._ - -......_ __ Deg. min . sec. 34 27 3 ~(C. 4-fl l b 40 ~(l 40 Jndc:x error : + 10 $CC. 1/ . ... • JUi:LlJLT OF CALCULATION. Menn ti .11 . h. lltm. sec. ~ f>j 04 m m . sec. 49 14 [ll 29 [,:} 20 M 3 5() 58 Latitude. lJe,r.. rmn. sec. 3f> 51 21 |