Viewing archive of Saturday, 21 May 2011 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 44 11 | 1 1 | A9.71 | B3.99 |
Sunspot regions
Region 11214 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 90 -10 | HSX | S24W70 | |
Solar flares on this day | ||||
| B2 B3.69 | ||||
Region 11216 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -20 | HSX | S16E19 | |
Region 11218 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | S16E40 | |
All times in UTC
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/10 | M4.2 |
| Last geomagnetic storm | 2024/11/09 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 186 +19.6 |
| Last 30 days | 163.1 +14.2 |