Viewing archive of Friday, 21 February 2025 - 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 |
|---|---|---|---|---|---|
| 138 15 | 1 1 | C1.66 | M3.39 | 6 | 2 |
Sunspot regions
Region 13989 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 250 | HHX | N19W93 | |
|
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Region 13990 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 120 -130 | CSO | S09W78 | |
|
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Solar flares on this day | ||||
| C5.8 C3.6 | ||||
Region 13993 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 170 -80 | CSO | N15W32 | |
|
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Region 13994 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 5 | AXX | S19W0* | |
|
||||
Region 13996 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 | 330 | FKO | S16W17 | |
|
||||
Solar flares on this day | ||||
| C7.6 C8.0 | ||||
Region 13997 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 | BXO | N03W40 | |
|
||||
Region 13998 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 4 | 220 | EAI | S14W02 | |
|
||||
Solar flares on this day | ||||
| C4.4 C3.9 | ||||
Region 13999 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N06W20 | |
|
||||
Region 14000 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 | 120 | DAI | N18E06 | |
|
||||
Solar flares on this day | ||||
| M3.3 M1.4 C4.8 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/30 | M1.9 |
| Last geomagnetic storm | 2025/04/21 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 125.7 -8.5 |
| Last 30 days | 126.6 -0.4 |