Viewing archive of Thursday, 21 October 2021 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 11 | 0 | B1.33 | B8.78 |
Sunspot regions
Region 12072 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | AXX | N23E40 | |
|
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Region 12886 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 -30 | HSX | S19E23 | |
|
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Space weather facts
| Last X-flare | 2024/05/15 | X3.3 |
| Last M-flare | 2024/05/14 | M4.4 |
| Last geomagnetic storm | 2024/05/13 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 151.7 +15.2 |
| Last 30 days | 176.8 +77.8 |