228 



GEOGRAPHICAL POSITIONS, 



Limb. Ingress of 5 Egress of $ 



h / » h / » / 



Mirepoix. 



Berlin. 



Naples. 



Bremen. 



Hamburg. 



Dresden. 



Messersdoff. 



Gotha. 



Lilienthal. 



Madrid. 

 Dantzick. 



Breslaw. 



21 15 24 



21 18 10 



22 00 28 

 22 03 46 

 22 04 03 

 22 07 17 

 31 42 34 

 21 45 40 



36 15 

 39 0. 

 22 

 25 



25 20 

 28 

 03 57 



17 1 

 30C 



20") 

 «5 



5 08 39 



22 12 37 

 21 50 11 . 

 21 53 14 2 

 21 42 52 7 

 21 45 46 6 

 20 56 00 



22 15 15 



23 37 

 26 34 

 31 16? 

 34 243 



: ! 



: \ 



2 46 



3 18 



14 



2 05 7 



00 



2 53 9 



2 50 



3 13 



21 



2 57 



3 08 



5 43 18 

 5 36 51 



5 39 5: 



11 



3 01 



3 04 



Mean. 3 03 7 



Mean of the best observations 3' 02" 2 



Time of the passage of the ± diameter of § 1311 



By the mean result of three observations for the meridian of Paris, h ' " 



the Ingress reduced to the center of the earth was. . . . 21 17 41 

 the Egress. . . 4 41 18 



Semidiameter of the 0=950" Q= 



Duration.. 

 = 10° 28' 18'.' 



7 23 37 



l=Appt. latitude of §( for the center of the earth at the Ingress= 



L'as ditto ditto Egress. = 



E=Elongation at the Ingress. 



E'= ditto Egress. . . , 



Q=Inclination of the orbit at the Ingress. 



©'= ditto . . Egress. 



h=Horary relative motion at the Ingress. 



h'= ditto . . Egress. 



3600 ( 3600 



a= 235 818 a ' = 236 026 



P=Para!lax in longitude. Q== ditto latitude. 



•n =Coefficient of the Parallax in longitude at the Ingress. 



173 44 bv observ 

 495 84 ditto. 

 934 034 ditto. 



■= 810 226 ditto. 



=10 27 55 



=10 28 40 



= 235 818 



= 236 026 



n= 

 n'= 



•n = 



n= 



n'= 



ditto. 



ditto. 



ditto. 



E 



latitude 



longitude 



latitude 



X a=15,8072 

 X a= 2,9354 

 Xa'=?13,704I 

 Xa'= 8,3865 



Ingress. 

 Egress. 

 Egress. 



E — 1" tang. ©' 



Ingress for the center of the earth=apparent Ingress — 15,8072 P — 2,9354 Q_ 

 Egress . . ditto. . =apparent Egress —13,7041 P-f 8,3865 Q. 



