Viewing archive of Wednesday, 21 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 |
|---|---|---|---|---|
| 119 | 1 | B5 | C8.97 | 4 |
Sunspot regions
Region 9349 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 20 | HRX | N30W69 | |
Region 9350 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 10 | HSX | N19W50 | |
Region 9352 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 | AXX | S21E02 | |
Region 9353 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 40 30 | DAO | S22W36 | |
Region 9354 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 1 | 150 | DAO | S08W20 | |
Solar flares on this day | ||||
| C8.97 C1.83 | ||||
Region 9357 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 20 | CSO | S26E06 | |
Region 9358 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 3 | 50 10 | DAO | S08E20 | |
Region 9359 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 80 | CSO | N10E74 | |
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| Spotless days | |
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