Viewing archive of Thursday, 21 April 2011 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 100 10 | 2 1 | B6.43 | M1.23 | 4 | 1 |
Sunspot regions
Region 11190 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 60 -200 | CAO | N14W94 | |
Region 11191 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 15 -35 | HRX | N07W39 | |
Region 11193 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 | 300 -50 | EHI | N16W20 | |
Region 11195 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 6 | 100 80 | DAI | S17E55 | |
Solar flares on this day | ||||
| C1.17 C1.44 M1.23 C7.09 C6.51 | ||||
Region 11196 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 80 | DAO | S27E69 | |
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