Viewing archive of Friday, 28 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 |
|---|---|---|---|---|
| 104 -25 | 2 2 | C1.7 | C5.24 | 9 |
Sunspot regions
Region 13998 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 | 320 | EKC | S14W98 | |
|
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Solar flares on this day | ||||
| C2.2 C3.4 C4.0 C3.3 | ||||
Region 14002 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N13W58 | |
|
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Region 14004 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 | AXX | S14W07 | |
|
||||
Region 14006 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -2 | 180 -170 | DAI | N18W03 | |
|
||||
Solar flares on this day | ||||
| C5.2 C2.8 | ||||
Region 14007 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 30 10 | DRO | S11W03 | |
|
||||
Solar flares on this day | ||||
| C4.3 C2.5 | ||||
Region 14008 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | N05E28 | |
|
||||
Region 14009 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 20 | DAO | N11E24 | |
|
||||
Region 14010 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | CRO | N24E35 | |
|
||||
Solar flares on this day | ||||
| C2.5 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
| Last geomagnetic storm | 2025/10/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |