Viewing archive of Wednesday, 21 February 2024 - 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 | X |
|---|---|---|---|---|---|---|
| 45 -5 | 0 | C1.08 | X1.9 | 15 | 1 | 1 |
Sunspot regions
Region 13581 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S21W0* | |
|
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Region 13584 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S15W75 | |
|
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Region 13586 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 70 -20 | HSX | N27W19 | |
|
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Region 13590 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 23 16 | 740 -20 | FKI | N17E38 | |
|
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Solar flares on this day | ||||
| C2.4 C1.7 C1.7 C1.4 C3.3 C3.3 C4.0 C3.7 X1.9 | ||||
All times in UTC
Latest news
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Sunday, 29 December 2024
Strong G3 geoamagnetic storm watch issued
Latest forum messages
correcting common misconceptions about space weather 7Can someone validate these sun spots? 4AR 3947 125Unspecified geomagnetic activity 1818Unexplained proton activity 38
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/05 | M4.1 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 179.8 +25.3 |
| Last 30 days | 146.1 +17.3 |