| Average Zürich/McIntosh-classifications performed by CV-Helios Network |
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HISTORICAL CLASSIFICATIONS |
| ZÜRICH/McINTOSH-CLASSIFICATIONS DISTRIBUTION for December 2025 |
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100,0% |
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12 |
<<<<<< Month Dec |
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A |
B |
C |
D |
E |
F |
H |
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2025 |
<<<<<< Year 2025 |
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AXX |
BXO |
CRO |
DRO |
ERO |
FRO |
HRX |
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SUNSPOT CLASS |
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10,8% |
8,8% |
4,6% |
1,4% |
0,1% |
0,0% |
3,7% |
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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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1254 |
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CV-mem. |
Observer name |
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1,4% |
1,4% |
1,8% |
0,0% |
0,0% |
4,9% |
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A |
134 |
10,7% |
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CV-207 |
ONDREJOV OBS. (AI CAS) |
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CAO |
DAO |
EAO |
FAO |
HSX |
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B |
127 |
10,1% |
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CV-219 |
KANDILLI OBSERVATORY |
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3,7% |
7,1% |
0,2% |
0,0% |
9,3% |
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C |
246 |
19,6% |
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CV-001 |
KJELL INGE MALDE |
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CAI |
DAI |
EAI |
FAI |
HKX |
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D |
367 |
29,3% |
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CV-215 |
ARNAUD MENGUS |
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1,6% |
7,7% |
1,2% |
0,1% |
0,6% |
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E |
109 |
8,7% |
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CV-224 |
SWO-NOAA (CV-USAF) |
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CSO |
DSO |
ESO |
FSO |
HHX |
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F |
39 |
3,1% |
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CV-209 |
CAIO CRESPO MORAES |
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5,1% |
3,1% |
0,2% |
0,0% |
0,2% |
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H |
232 |
18,5% |
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CV-135 |
GEMA ARAUJO |
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CSI |
DSI |
ESI |
FSI |
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CV-077 |
ANDREW JOHNSTON |
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1,6% |
1,3% |
0,0% |
0,0% |
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MAIN SUNSPOT TYPE |
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CV-091 |
GRZEGORZ DALEK |
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CKO |
DAC |
EAC |
FAC |
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2nd letter |
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CV-082 |
PIOTR URBANSKI |
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0,7% |
0,9% |
0,2% |
0,0% |
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1243 |
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CV-010 |
FRANKY DUBOIS |
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CKI |
DSC |
ESC |
FSC |
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X |
261 |
21,0% |
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CV-208 |
JOHAN NEYS |
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0,1% |
1,5% |
0,2% |
0,0% |
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R |
162 |
13,0% |
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CV-214 |
IGOR GRAGEDA MENDEZ |
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CHO |
DKO |
EKO |
FKO |
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A |
342 |
27,5% |
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CV-122 |
VLASTISLAV FEIK |
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0,0% |
1,4% |
1,1% |
0,0% |
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S |
276 |
22,2% |
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CHI |
DKI |
EKI |
FKI |
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K |
188 |
15,1% |
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0,1% |
1,3% |
2,5% |
0,5% |
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H |
14 |
1,1% |
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DHO |
EHO |
FHO |
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0,0% |
0,3% |
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% |
0,2% |
0,0% |
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1295 |
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DKC |
EKC |
FKC |
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X |
414 |
32,0% |
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1,9% |
2,6% |
2,5% |
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O |
469 |
36,2% |
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DHC |
EHC |
FHC |
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I |
284 |
21,9% |
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0,2% |
0,1% |
0,1% |
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C |
128 |
9,9% |
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Updated 15.01.2026 17:54 |
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14 of 25 observers |
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| ZÜRICH/McINTOSH-CLASSIFICATIONS
DISTRIBUTION for 12.2024 - 12.2025 |
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