Viewing archive of Sunday, 28 January 2001 - 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 |
|---|---|---|---|---|---|
| 124 -10 | 1 | C1.16 | M2.27 | 6 | 1 |
Sunspot regions
Region 9313 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -7 | 120 -20 | DAI | S06W52 | |
Solar flares on this day | ||||
| C2.03 M2.27 | ||||
Region 9316 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -4 | 40 -20 | DAO | S16W29 | |
Region 9321 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 5 | 250 | DAI | S05W10 | |
Solar flares on this day | ||||
| C1.54 | ||||
Region 9322 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 50 10 | DSO | S22W56 | |
Region 9325 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 4 | 60 10 | DSO | N11E37 | |
Solar flares on this day | ||||
| C1.11 | ||||
Region 9326 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 4 | 50 30 | DSO | N27W40 | |
Region 9327 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N17E47 | |
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| March 2026 | 85 -27.6 |
| Last 30 days | 71 -47.7 |