Tabella I. 



Epoca 



oss. 



n 





41° 53' 





1911.95 



53".749 



Al 



1912.04 



.737 



30 



.17 



.482 



18 



.24 



.379 



24 



.32 



.268 



38 



.46 



.341 



17 



.50 



.377 



20 



.67 



.471 



56 



.78 



.498 



69 



.90 



.551 



39 



1913.03 



.597 



39 



.13 



.536 



43 



.38 



.499 



29 



.63 



.590 



25 



.73 



490 



27 



1913 80 



53.466 



32 



Se dei precedenti valori si fa una perequazione grafica, si ottengono di 

 decimo in decimo d' anno le latitudini istantanee della colonna 2* della 



tabella II. 



Tabella II. 



Epoca 



<P 



istantanea 

 osservata 



— Jcp 

 inter. e 





(po 



media 





1911.95 



53".75 





0".29 





53".46 







1912.0 



.73 





.28 





.45 







.1 



.62 





.19 





.43 







.2 



.46 





.08 





.38 









.3 



.30 



+ 



.08 1 







.38 







(jPo definitivo 



.4 



.31 



+ 



.16 







.47 





53".468 



.5 



.37 



+ 



.13 







= °.50 







53".47 



.6 



.43 



+ 



.09 







.52 









.7 



.48 



+ 



.06 





i 



.54 





, 53".469 





.8 



.52 



+ 



.02 * 



- Jcp 



= .54 









.9 



.55 





.03 







.52 









1913.0 



.56 





.09 







.47 









.1 



.56 





.14 







.42 









.2 



.56 





.17 







.39 









.3 



.55 





.14 







.41 









.4 



.54 





.11 





.43 







.5 



.53 





.07 





.46 







.6 



.52 





.04 





.48 







.7 



.50 





.01 





.49 







1913.8 



53.48 



+ 



0.02 





53 50 







