12 



MEMOKIE DELLA SOCIETÀ 



Biassunto delle osservazioni delle protuberanze solari dal 23 aprile 



al 12 agosto 1872. 



Hot. XIV. 



XV. 



XVI. 



XVII. 



Somma 



Emisfero Nord 



da 90O 80 70 60 50 40 30 20 10 

 a 80» 70 60 50 40 30 20 10 



Emisfero Sud 



da 10 20 30 40 50 60 70 80 

 a 10 20 30 40 50 60 70 80 90 



Numero delle prolulicranze 



4 2 8 8 18 20 20 17 13 



I 1 2 15 18 19 18 19 22 



3 1 3 14 17 28 n 29 23 



— 1 2 6 30 27 30 32 23 



5 15 43 83 



85 97 81 



14 23 23 18 9 10 5 3 



21 n 27 24 14 6 1 4 



22 28 35 24 20 11 3 1 

 27 30 29 28 33 14 3 - 



84 98 114 94 76 41 12 S 6 



Totale 



216 



229 

 281 

 315 



1014 



noi. XIV. 



XV. 



XVI. 



XVII. 



Somma 



Rol. XIV. 

 XV. 

 XVI. 

 XVII. 



Medie 



Numero dello piolubcraiize di altezza superiore a 5 unità ( = 40") 



- 2 6 11 12 7 6 



4 12 14 11 11 10 11 

 1 9 10 17 4 12 10 



— 3 16 15 14 18 10 



5 26 46 54 41 47 37 



7 13 15 12 4 5 



11 7 14 15 8 3 



11 17 28 11 11 5 



11 12 15 11 15 2 



1 — — 



40 49 72 49 38 15 2 



Altezza media delle proluberaiizc 



3.8 



3.5 



3.0 



4.2 



4.4 



5.5 



5.2 



5.5 



4,7 



1.5 



1.5 



3.5 



5.9 



6.8 



5.8 



5.6 



5.1 



5.8 



1.6 



1.5 



4.5 



5.4 



3.2 



5.2 



4.6 



5.1 



3.6 



— 



1.5 



1.7 



2.6 



5.6 



6.3 



4.7 



5.0 



4.9 



1.7 



2.0 



3.2 



4.5 



5.0 



5.7 



5.0 



5.2 



5.2 



5.4 

 49 

 5.2 



4.7 



4.7 

 5.7 

 5.6 

 4.9 



3.9 

 5.6 



6.8 

 4.8 



4.9 

 5.9 

 5.1 

 4.9 



3.4 

 6.4 

 4.3 

 5.1 



5.4 

 5.1 

 4.4 

 4.1 



1.9 

 2.0 

 3.7 

 5.0 



3.0 3.5 

 35 — 

 2.0 4.0 



5.0 5.2 5.8 3.2 5.3 4.7 3.1 2.1 1.9 



102 

 131 

 146 

 143 



522 



4.44 

 4.47 

 4.33 

 3.65 



4.22 



Rol. XIV. 



XV. 



XVI. 



XVII. 



M(!die 



Larghezza media delle protuberanze 



5.1 



7.0 10.0 



6.1 



6.7 



5.8 



6.2 



5.9 



6.2 



2.3 



5.0 7.5 



6.0 



6.6 



6.4 



6.6 



5.9 



6.4 



3.3 



3.0 4.2 



5.3 



6.3 



3.9 



5.7 



5.7 



7.0 



— 



5.0 3.2 



3.1 



6.7 



6.8 



57 



6.6 



6.0 



'>7 



5.5 6.2 



^ 1 



6 fi 



fi •> 



fio 



fi » 



fi i 



7.6 

 5.6 

 6.4 

 6.2 



7.4 

 6.4 



6.3 



5.8 



7.9 

 5.9 

 7.1 

 3.7 



6.0 

 6.4 

 5.0 

 6.0 



6.5 

 5.1 

 5.1 

 4.7 



6.1 



8.1 

 4.1 

 3.8 



4.1 



5.0 

 5.5 

 4.2 



8.7 

 4.5 

 1.5 



4.5 

 2.5 



6.54 

 5.53 

 5.14 

 4.42 



5.41 



Rot 



, xrv. 



XV. 



XVI. 



XVII. 



Medie 



Arca media dello protuberanze 



23.7 



7.3 



11.8 



24.0 30.0 22.3 32.2 36.1 36.2 ,36.9 33.0 

 7.5 23.0 34.4 51 5 40.8 40.6 32.3 37 9 

 7.5 19.0 300 31.7 32.9 28.6 33,2 41.9 



15.0 10.3 16.4 41.1 49,6 28.9 33.3 31.2 



10.7 13.0 21.1 23.8 39.1 39.8 33.5 33.9 36.0 



41.9 33.8 43.7 31.7 43.7 37.2 13.0 7.5 15.5 



31,7 43,2 ^1.4 41.6 33.7 43.6 20.0 15.3 — 



38.9 31.7 53.1 31.5 23.0 18.9 20.0 6.0 10.0 



31.0 29.9 27,9 32,0 25.6 16.2 23.0 — — 



35.9 36.1 41.3 34.2 33.0 28.9 19.0 7.2 6.4 



30.25 

 30.15 

 26.12 



22.87 



27.35 



Rot. XIV. 



XV. 



XVI. 



XVII. 



Medie 



Estensione delle facole 



- 5.0 — 2,6 



5.6 7.7 2.0 

 1.5 — - 



2,7 

 3.5 



5.7 

 3.5 

 6.7 

 5.6 



1.8 3.2 0.5 2.2 5.4 



6.8 

 6.7 

 5.7 

 6^8_ 



«75" 



7.2 

 8.2 

 7.5 

 7.0 



7.2 

 7.5 



8.1 

 8.1 



~7.7~ 



6.3 

 7.2 

 7.2 

 7.9 



1.\ 



5.9 

 6.1 

 6,2 



8.3 

 7.1 



7 3 

 8.1 



7.0 

 7.3 

 6.8 

 7.6 



3.0 

 6.2 

 6.4 

 5.9 



4.7 

 4.0 



7.4 

 5.9 



8.5 

 8.7 

 5.4 

 5,7 



5.0 

 7.5 

 1.5 

 5.0 



3.2 

 1.5 



4.5 



2.5 

 3,0 



5.7 7.8 7.2 5.9 5 5 7.1 4.7 2.3 1.4 



3.00 

 4.53 

 5.66 

 4.71 



4.97 



Rot. XIV. 



XV. 



XVI. 



XVII. 



Somma 



Numero delle facole 



— 1 — 



3 3 2 

 1 — — 



18 33 34 28 16 



5 21 26 33 23 

 20 26 39 39 36 



6 22 42 40 41 



4 2 10 49 102 141 140 116 



26 31 32 20 

 21 29 23 18 



32 44 



45 47 38 24 16 



6 



7 



24 11 



124 151 135 86 40 20 11 



262 

 217 

 337 

 331 



1147 



