Viewing archive of Sunday, 21 January 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 |
|---|---|---|---|---|
| 150 6 | 0 -1 | C1.31 | C7.11 | 16 |
Sunspot regions
Region 13545 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 120 -10 | HSX | S06W91 | |
|
||||
Region 13549 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 170 -10 | HSX | S17W56 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 13553 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -20 | HRX | N05W38 | |
|
||||
Region 13555 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -1 | 110 -40 | CSO | S09W07 | |
|
||||
Region 13556 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 -20 | HAX | N17W03 | |
|
||||
Region 13559 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 6 | 300 80 | FKC | N29E18 | |
|
||||
Solar flares on this day | ||||
| C4.0 C5.3 C6.3 C2.2 C2.0 C2.5 C2.2 C2.9 C3.9 C5.8 C5.7 C2.7 C3.7 | ||||
Region 13560 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 2 | 60 20 | CRI | S11E21 | |
|
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Region 13561 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 90 10 | DRI | S16W14 | |
|
||||
Solar flares on this day | ||||
| C6.6 | ||||
Region 13562 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 110 80 | DAO | S09W29 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |