Viewing archive of Friday, 21 January 2000 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 144 25 | 2 1 | C1.86 | M2.06 | 5 | 1 |
Sunspot regions
Region 8824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -7 | 20 -50 | CRO | S13W72 | |
Region 8829 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 70 10 | HSX | N17W45 | |
Region 8831 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -5 | 210 10 | EAO | S18W25 | |
Region 8833 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 1 | 170 10 | CSO | N17W11 | |
Region 8837 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -1 | 220 120 | DSO | S08W55 | |
Solar flares on this day | ||||
| C7.3 | ||||
Region 8838 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -1 | 70 -10 | CAO | N12E40 | |
Region 8839 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N11E06 | |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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