Viewing archive of Thursday, 28 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 |
|---|---|---|---|---|
| 71 32 | 2 1 | B3.43 | C3.54 | 6 |
Sunspot regions
Region 11195 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 3 | 230 20 | DHO | S17W38 | |
Region 11199 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 4 | 120 100 | DAI | N21W34 | |
Solar flares on this day | ||||
| C1.17 C3.53 C1.15 | ||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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X1.9 solar flare with earth-directed CME
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