OBSERVATORII ORENBVRGENSIS. 5^3 



Oo=::COfin.GCA. 



/•C 0-3,557^05^ 



/.fm.OC-^ — P,+389iio 



C o ::r C Gcof. G C ^ 



/. C G:::: 3, 5576056 

 /.cof.GC^— P^P82 95 8S 



/. C o =: 3,54-05641 



/. O = ^^996$ 166 

 G o — 992—16''. 32^' Co 11:3472 



adeoquc Ao — C*^"~C^= -8^ 22'^ 

 quo inuento habetur : 



A o 



tang. A G o = |-: 



/. A o :=: 3,2309596 

 /. O o — 2,9965166 



0,234-4-4-30 

 A Ooiz: $9"- W' 51^^ 



G A — —^ ^ 



/, A o — 3,2309596 

 / fin.AGo=:9,93<54937 



3,2944659 

 O A z= 1970^^. 



Inuenta hinc diftantia centrorum Glis et C"*^ ^^" 

 parens G A =: 1; — 32^. 50^^ cum lumma lemidia- 

 metrorum adparentium 0lis et C"^® congruere de- 

 beret , fi longitudo Orenburgi a Lutetiis Parifiorum 



exade eflet 3^31''. o^^. hft autem femidiameter C 



geocentrica Dmi6''. 

 parens d — 



* 1 — r TT. ( 



44"^ hincque femidiameter ad- 

 ,ccj.^T- »^'--59'". 8, quae ad fe- 

 inidiametrum apparentem Olis ^— 15^.47^'' addita 

 praebet </-h ^ ~ 32'. 46". 8 a qno valor pro v 

 modo inuentus difcrepat quantitate 3". 2. 



Sit ergo corredio afTumtae meridianorum dif- 

 ferentiae adplicanda — — 6"^ vnde difFerentia longi- 

 tudinum Glis et C decrefcet quantitate 0,592 dj 



B bb b 2 latitudo 



