OSSERVAZIONI DI STELLE 151 



Passo del micrometro oculare 



Con polare 26™. 24% ) 



i giri 4 80% 2o0 per giro 

 31. 45, ' 



te ir, ^ giri 7 80, 000 



41. 5, ' 



) giri 4 80, 000 

 46. 25, \ 



Collimazione col mercurio 



filo W 32p, 25 aip, 00 26p, 00 31p, 00 33p, 85 tc — ìk", 3 

 imm. E 138, 00 139, 05 141, 50 141, 10 141, 50 



media semidifferenza 54p, 705= 14", 919 

 Livello != — 0% 344 =- 5", 157 



c= 9", 762 



T^ Eridani 



3i>. 3"^. 25% 4 48% 3 13% 7 



40, 3i, 14, 2 



56, 6 17, 5 14, 1 



4. 14, 14, & 

 33, 1 19, 4 13, 7 

 48, 8 35, 13, 8 e 



5. 5, 5 51, 1 13, 9 



media 3i'. 4™. 13% 89 ab 



a 2. 45. 55, 14 



Microscopi per 120" I. 121f, 36 II. 122p, 66 III. 120p, 45 IV. 117p, 37 



media di 3 divisioni /cr=13°, 5 



o, 



0617 



o, 



0440 



0, 



0716 



OS 



018 







12 



Eridani 



3i\ 24"-. 



, 44% 



51% 6 



35, 6 





59, 1 



36, 3 



35. 4 



25. 



17, 



18, 7 



:^5, 7 





35, 6 





35, 6 





56, 5 



20, 8 



35, 7 



26. 



13, 



37. 4 



35, 6 





30, 



54, 6 



35, 4 





media 



1 3''. 25-. 



35% 57 





a 



3. 7. 



16, 78 



z 0, 0708 



b 0, 4386 



e 0, 0765 



ab 0% 019 



