18 



MEMORIE DELLA SOCIETÀ 



Prospetto riassuntivo delle protuberanze dal 1« gennaro al 23 aprile 1872. 



NUM. TOTALE 

 DELLE PROTUBERANZE 



Rotazione 10" 



12 

 13* 



EMISFERO NORD 



EMISFERO SUD 



da 90 80 70 60 50 40 30 20 10 

 a 80 70 60 50 40 30 20 10 



10 20 30 40 50 60 70 80 

 10 20 30 40 50 60 70 80 90 



3 7 9 4 9 12 14 15 13 



13 8 5 4 12 11 21 18 17 



6 7 8 10 14 17 17 17 9 



1 4 4 7 7 15 14 11 13 



15 19 23 18 13 11 3 8 6 

 22 14 24 20 11 9 5 4 11 

 19 22 15 17 9 11 5 4 7 

 12 16 17 14 5 8 2 4 3 



Somma 



NUM. DELLE PROTUB. 

 DI ALT. SUPER. A 5 mm 



Rotazione 10 a 



Ha 

 12" 



13" 



23 26 26 25 42 55 66 61 52 



135778 



— 1 54575 



1 2 9 10 9 6 5 



1357525 



68 71 79 69 38 39 18 20 27 



5 13 11 5 8 2 — 3 2 



7 4 13 10 5 2 5 



10 11 7 9 4 2 — 1 — 

 5 6 9 8 2 



Somma 

 Altezza 



DELLE PROTUB. IN mm 



Rotazione 10 a 

 IP 



12" 

 13" 



1 1 1 6 22 26 26 22 23 



3.0 3.0 3.3 3.3 4.4 4.5 4.7 5.3 4.9 

 3.0 3.2 3.0 3.0 5.3 5.9 4.1 5.4 4.6 

 3.7 1.5 3.14.9 6.8 5.3 QJ 5.1 5.3 

 1.5 3.0 2.3 4.1 6.9 4.5 4.7 4.0 6.3 



27 34 40 32 19 6 — 4 7 



4.9 6.2 5.14.2 4.9 4.13.0 5.14.7 

 4.7 4.8 5.3 4.9 4.9 3.6 3.5 3.0 4.6 

 5.7 5.0 5.8 6.0 4.3 4.0 3.0 4.0 3.1 

 5.0 4.6 5.1 5.6 4.4 3.2 3.0 1.6 3.0 



Media 

 Larghezze in gradi 



Rotazione 10" 



ll a 



» 12 a 



13 a 



2.8 2.7 2.9 3.8 5.8 5.5 5.5 4.9 5.3 



5.5 8.1 5.7 4.0 5.3 5.6 6.0 6.8 6.6 



7.6 5.4 8.0 6.6 6.3 6.1 6.2 6.2 8.3 

 8.0 4.2 8.5 7.7 6.7 6.7 6.9 6.14.9 

 5.0 6.3 3.0 5.7 7.0 7.1 7.7 5.8 6.9 



5.15.1 5.3 5.2 4.6 3.7 3.1 3.4 3.8 



6.1 6.5 5.7 5.4 5.4 5.5 6.5 4.8 3.8 

 6.5 6.9 7.5 7.3 6.1 6.2 7.0 8.1 6.4 

 7.5 6.4 7.1 5.9 6.6 5.1 8.0 5.0 7.3 

 7.3 6.3 7.1 5.1 5.4 4.9 5.5 3.0 6.0 



Media 



Facole 

 (estensione in gradi) 



Rotazione 10 a 

 IP 

 12 a 

 13 a 



6.5 6.0 6.3 6.0 6.3 6.4 6.7 6.2 G.7 



1.0 5.0 6.0 1.0 4.8 7.4 8.2 5.6 2.5 

 5.0 — 2.2 2.2 5.4 7.8 7.6 7.9 4.8 

 3.7 1.5 1.5 1.0 5.7 7.2 6.9 5.5 4.8 

 2.5 2.5 2.0 5.7 6.2 6.2 7.2 5.9 3.3 



3.5 2.2 2.9 2.5 5.5 7.1 7.5 6.2 3.8 



1 1 2 1 10 22 26 21 8 



2 — 2 3 14 22 26 18 13 

 2 1 2 2 11 22 24 14 6 

 1 1 1 3 8 19 21 13 8 



6.8 6.5 6.8 5.9 5.9 5.4 6.7 5.2 5.9 



5.5 8.0 8.6 6.8 6.6 4.0 



5.5 7.9 8.0 6.2 5.2 0.5 2.0 5.0 3.0 

 6.5 8.0 7.3 6.3 4.5 3.0— 5.5 — 

 7.4 7.0 7.5 4.8 5.7 1.5 8.5 1.0 — 



Media 

 Facole (numero) 



Rotazione 10" 

 11" 

 12" 

 13 a 



6.2 7.7 7.8 6.0 5.5 2.2 2.6 2.0 0.7 



23 28 23 21 6 1 



22 23 20 14 8 1 1 1 1 

 21 29 22 5 6 4 — 2 — 

 14 20 14 10 4 1 2 1 — 



Somma 



6 3 7 9 43 85 97 66 35 



80 100 79 50 24 7 3 4 1 



