Viewing archive of Monday, 28 February 2011 - 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 |
|---|---|---|---|---|---|
| 54 10 | 0 | B3.71 | M1.66 | 11 | 1 |
Sunspot regions
Region 11163 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -8 | 10 -100 | AXX | N18E32 | |
Region 11164 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 170 -30 | ESO | N27E46 | |
Solar flares on this day | ||||
| B7.14 B7.14 C1.13 C2.43 C1.57 C2.86 C3.43 C2.14 B7.86 C1.71 M1.57 C1.43 C2.43 | ||||
Region 11165 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | AXX | S21E29 | |
All times in UTC
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| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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