Viewing archive of Monday, 31 December 2001 - 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 |
|---|---|---|---|---|
| 209 -9 | 0 -2 | C3.86 | C9.64 | 3 |
Sunspot regions
Region 9751 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -13 | 230 -70 | EAI | N05W51 | |
Region 9753 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 5 | 90 40 | DAO | S18W48 | |
Region 9754 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 -5 | 160 -90 | FAI | S08W30 | |
Solar flares on this day | ||||
| C9.64 | ||||
Region 9755 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -2 | 150 -30 | DSO | S04W03 | |
Region 9756 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 60 -20 | CAO | S29E20 | |
Region 9757 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 0 | AXX | S10W51 | |
Region 9761 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | HSX | N10E21 | |
Region 9763 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 60 -30 | CSO | N06E35 | |
Region 9764 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 20 10 | DSO | N13W11 | |
Region 9765 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 110 -40 | DAO | N06E50 | |
Region 9766 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 40 | CSO | N05E62 | |
Region 9767 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 210 | EKI | S23E73 | |
All times in UTC
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| Last M-flare | 2026/01/21 | M3.4 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| January 2026 | 119 -5 |
| Last 30 days | 119 +0.7 |