Viewing archive of Thursday, 1 February 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 | M |
|---|---|---|---|---|---|
| 141 11 | 2 2 | C1.04 | M1.13 | 4 | 1 |
Sunspot regions
Region 9321 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -7 | 80 -70 | EAO | S04W66 | |
Region 9325 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 20 -10 | CAO | N09W17 | |
Region 9327 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 7 | 50 | DAO | N18W07 | |
Region 9329 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 20 | CSO | S10E23 | |
Region 9330 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 10 | 230 130 | ESO | N26E57 | |
Solar flares on this day | ||||
| M1.13 C3.83 C5.9 | ||||
Region 9331 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 -40 | AXX | N13E13 | |
Region 9332 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 4 | 20 | CRO | N08E10 | |
All times in UTC
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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