Average Zürich/McIntosh-classifications performed by CV-Helios Network |
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HISTORICAL CLASSIFICATIONS |
ZÜRICH/McINTOSH-CLASSIFICATIONS DISTRIBUTION for 1999 |
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100,0% |
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A |
B |
C |
D |
E |
F |
H |
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1999 |
<<<<<< Year 1999 |
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AXX |
BXO |
CRO |
DRO |
ERO |
FRO |
HRX |
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SUNSPOT CLASS |
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14,0% |
12,8% |
2,3% |
0,4% |
0,0% |
0,0% |
1,9% |
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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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4740 |
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CV-mem. |
Observer name |
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1,5% |
0,1% |
0,1% |
0,0% |
0,0% |
9,8% |
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A |
665 |
14,0% |
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CV-224 |
SWO-NOAA (CV-USAF) |
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CAO |
DAO |
EAO |
FAO |
HSX |
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B |
680 |
14,3% |
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CV-226 |
TASHKENT OBS. |
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4,6% |
5,2% |
2,5% |
0,5% |
7,6% |
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C |
818 |
17,3% |
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CV-227 |
VOROSHILOV OBS. |
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CAI |
DAI |
EAI |
FAI |
HKX |
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D |
985 |
20,8% |
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2,5% |
7,6% |
2,0% |
0,9% |
1,7% |
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E |
373 |
7,9% |
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CSO |
DSO |
ESO |
FSO |
HHX |
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F |
185 |
3,9% |
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6,7% |
2,9% |
1,0% |
0,2% |
0,8% |
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H |
1034 |
21,8% |
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CSI |
DSI |
ESI |
FSI |
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0,2% |
0,3% |
0,2% |
0,1% |
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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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0,4% |
0,1% |
0,1% |
0,1% |
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4740 |
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CKI |
DSC |
ESC |
FSC |
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X |
1345 |
28,4% |
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0,0% |
0,0% |
0,0% |
0,0% |
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R |
233 |
4,9% |
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CHO |
DKO |
EKO |
FKO |
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A |
1701 |
35,9% |
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0,3% |
0,5% |
0,4% |
0,3% |
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S |
905 |
19,1% |
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CHI |
DKI |
EKI |
FKI |
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K |
455 |
9,6% |
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0,0% |
3,0% |
0,9% |
0,8% |
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H |
101 |
2,1% |
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DHO |
EHO |
FHO |
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0,1% |
0,0% |
0,1% |
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SUNSPOT DISTRIBUTION |
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DHI |
EHI |
FHI |
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3rd letter |
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0,4% |
0,1% |
0,1% |
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4740 |
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DKC |
EKC |
FKC |
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X |
1699 |
35,8% |
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0,1% |
0,6% |
0,7% |
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O |
1964 |
41,4% |
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DHC |
EHC |
FHC |
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I |
987 |
20,8% |
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0,0% |
0,0% |
0,1% |
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C |
90 |
1,9% |
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Updated 26.07.2025 20:10 |
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3 of 48 observers |
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ZÜRICH/McINTOSH-CLASSIFICATIONS
DISTRIBUTION for 1999 |
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