158 OSSERVAZIONI DI STELLE 



13 dicembre 



a Ursac min. 



Ib. 



46"'. 



10% 



19™ 



. 43% 1 



35™, 



. 53% 



l 









19. 



36, 



16. 



18, 2 





34, 



2 









23. 



54, 



12. 



2, 1 





56, 



1 



z — 



2, 2867 





33. 



9, 



2. 



45, 





54, 













3o. 



55, 









55, 







b 



28, 1780 





38. 



27, 



2. 

 16. 



31, 3 

 23, 8 





55, 



7 



e 



2, 9594 





52. 



19, 



55, 



2 













media 1'^. 



35™. 



5Ì% 



76 



ab 



0% 733 



a 1. 18. 8, 42 

 Passo del micrometro oculare 



Con polare 27"'. 0% \ 



te ir, 6 (giri 13 80% 231 por giro 



44. 23, 



Collimazione col mercurio 



filo W 44p, 00 45p, 10 47p, 80 41p, 85 oIp, 00 te 15°, 8. 

 imm. E 149, 00 150, 25 150, 75 155, 25 156, 00 



media semidifferenza 53p, 150 = + 14", 496 

 inclinazione «r:: — 0% 213 = — 3,195 



c = + 11, 301 









-2 



Eridani 



3^ 3'". 



40% 







48% 3 



28% 3 





54, 



2 



34, 



28, 2 



4. 



10, 



6 



17, 5 



28, 1 





28, 









28, 





47, 



4 



19, 4 



28, 



5. 



3, 



3 



35, 



28, 3 





19, 



2 



51, 1 



28, 1 



0, 0617 

 0, 5440 

 0, 0716 



media \V\ 4™. 28% 14 ab 0% 018 



■j. 2. 45. 55, 10 



Micro.scopi per 120" 1. 121p, 33 II. 122p, 90 III. 120p, 60 IV. 118p, 17 



medie di ire divisioni. Iczn.ik'^, 3 



