Extinction dans l'Atmosphère tereestre. 



31 



Fz 



Jz 



Jz 



cori'. 



log J 



obs. 



cale. 



diff. 



52 



28 



- 42 



28 



- 39 



28 



32 



28 



- 29 



28 



- 16.5 



28 



12 



28 



1.64 

 1.50 

 1.68 

 2.71 

 5.58 



1.64 

 1.68 

 2.71 

 5.62 



1.63 

 1.50 

 1.68 

 2.72 

 5.64 



1.63 

 1.68 

 2.72 

 5.66 



1.63 

 1.50 

 1.68 

 2.73 

 5.68 



1.63 

 1.50 

 1.68 



2.74 

 5.73 



1.63 

 1.50 

 1.69 

 2.75 

 5.75 



log 



97.0 

 94.9 

 94.6 

 92.6 

 84.0 



log 



106.3 



104.7 



97.1 



76.8 



log 



93.8 

 93.5 

 92.8 

 86.1 

 71.3 



log Jz 



99.7 

 98.4 

 94.4 



76.5 



log Jz 



91.9 

 91.0 

 91.0 



88.8 

 71.6 



Jz = 2.020 - 0.0141 Fz 



E. M. = ± 0.005 



log 



77.3 

 76.4 

 76.3 

 73.4 

 56.9 



log 



68.4 

 68.1 

 68,1 

 64.3 

 47.6 



100.7 

 98.8 

 98.7 

 95,7 



87.2 



Jz = 2.099 



110.5 

 109.5 

 100.4 



79.7 



2.003 

 1.995 

 1.994 

 1.981 

 I 1.941 



0.0353 Fz 



2.043 

 2.039 

 2.002 

 1.901 



J = 2.034 - 0.0294 Fz 



Jz = 



Jz = 



1,997 

 1.999 

 1.996 

 1.982 

 1.941 



6 

 4 

 2 

 1 

 



E. M. = ± 0.003 



2.041 

 2,040 

 2.003 

 1.901 



E. M.= ± 0.003 



