Viewing archive of Saturday, 23 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 |
|---|---|---|---|
| 32 4 | 0 -1 | B1.97 | B6.22 |
Sunspot regions
Region 12886 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 20 | HSX | S19W04 | |
|
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Region 12887 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 4 | 420 270 | DKI | S24E51 | |
|
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Solar flares on this day | ||||
| B3.6 B5.5 B4.7 B3.6 B3.3 B3.8 B3.4 B3.7 B3.8 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2024/09/14 | X4.54 |
| Last M-flare | 2024/09/14 | M3.0 |
| Last geomagnetic storm | 2024/09/17 | Kp8- (G4) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| August 2024 | 215.5 +19 |
| September 2024 | 147.6 -68 |
| Last 30 days | 153.9 -57.9 |