Viewing archive of Sunday, 20 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 |
|---|---|---|---|---|
| 103 24 | 0 | B4.71 | C2.45 | 4 |
Sunspot regions
Region 11158 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -15 | 280 -30 | DKC | S19W78 | |
Region 11161 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 19 -9 | 250 50 | EKC | N11W15 | |
Solar flares on this day | ||||
| C1.69 C2.45 B8.76 B9.6 B4.38 B7.21 | ||||
Region 11162 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 2 | 150 -110 | DAI | N18W19 | |
Solar flares on this day | ||||
| C2.01 | ||||
All times in UTC
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| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/13 | M1.7 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 166 -0.4 |
| Last 30 days | 163.2 +18.4 |