Average Zürich/McIntosh-classifications performed by CV-Helios Network |
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HISTORICAL CLASSIFICATIONS |
ZÜRICH/McINTOSH-CLASSIFICATIONS DISTRIBUTION for January 1990 |
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100,0% |
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1 |
<<<<<< Month Jan |
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A |
B |
C |
D |
E |
F |
H |
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1990 |
<<<<<< Year 1990 |
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AXX |
BXO |
CRO |
DRO |
ERO |
FRO |
HRX |
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SUNSPOT CLASS |
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22,1% |
10,5% |
4,4% |
1,4% |
0,0% |
0,0% |
0,9% |
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1st letter |
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Observing members |
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BXI |
CRI |
DRI |
ERI |
FRI |
HAX |
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430 |
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CV-mem. |
Observer name |
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0,0% |
0,0% |
0,0% |
0,0% |
0,0% |
1,4% |
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A |
95 |
22,1% |
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CV-224 |
SWO-NOAA (CV-USAF) |
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CAO |
DAO |
EAO |
FAO |
HSX |
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B |
45 |
10,5% |
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3,5% |
4,9% |
2,1% |
0,9% |
19,1% |
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C |
86 |
20,0% |
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CAI |
DAI |
EAI |
FAI |
HKX |
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D |
71 |
16,5% |
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0,0% |
1,2% |
0,0% |
0,0% |
0,5% |
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E |
21 |
4,9% |
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CSO |
DSO |
ESO |
FSO |
HHX |
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F |
5 |
1,2% |
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9,5% |
4,9% |
1,2% |
0,0% |
3,0% |
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H |
107 |
24,9% |
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CSI |
DSI |
ESI |
FSI |
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0,0% |
0,7% |
0,0% |
0,2% |
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MAIN SUNSPOT TYPE |
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CKO |
DAC |
EAC |
FAC |
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2nd letter |
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0,9% |
0,0% |
0,0% |
0,0% |
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430 |
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CKI |
DSC |
ESC |
FSC |
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X |
140 |
32,6% |
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0,0% |
0,0% |
0,0% |
0,0% |
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R |
29 |
6,7% |
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CHO |
DKO |
EKO |
FKO |
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A |
60 |
14,0% |
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1,6% |
0,7% |
1,2% |
0,0% |
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S |
153 |
35,6% |
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CHI |
DKI |
EKI |
FKI |
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K |
24 |
5,6% |
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0,0% |
1,6% |
0,2% |
0,0% |
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H |
24 |
5,6% |
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DHO |
EHO |
FHO |
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0,5% |
0,2% |
0,0% |
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SUNSPOT DISTRIBUTION |
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DHI |
EHI |
FHI |
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3rd letter |
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0,0% |
0,0% |
0,0% |
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430 |
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DKC |
EKC |
FKC |
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X |
202 |
47,0% |
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0,5% |
0,0% |
0,0% |
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O |
208 |
48,4% |
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DHC |
EHC |
FHC |
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I |
17 |
4,0% |
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0,2% |
0,0% |
0,0% |
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C |
3 |
0,7% |
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Updated 25.07.2025 20:58 |
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1 of 9 observers |
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ZÜRICH/McINTOSH-CLASSIFICATIONS
DISTRIBUTION for 01.1989 - 01.1990 |
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