Viewing archive of Sunday, 28 December 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 |
|---|---|---|---|---|---|
| 143 13 | 2 1 | C1.55 | M4.24 | 8 | 2 |
Sunspot regions
Region 14312 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -10 | HSX | N19W74 | |
|
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Region 14316 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S07W72 | |
|
||||
Region 14317 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -1 | 110 -140 | DAO | N12W34 | |
|
||||
Solar flares on this day | ||||
| M4.24 | ||||
Region 14319 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -8 | 10 -20 | BXO | S12W12 | |
|
||||
Region 14321 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -1 | 510 130 | DKC | S11W63 | |
|
||||
Solar flares on this day | ||||
| C3.2 | ||||
Region 14323 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | S14E53 | |
|
||||
Region 14324 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 3 | 230 100 | DAO | N25E51 | |
|
||||
Solar flares on this day | ||||
| C2.6 C3.2 C4.0 C2.8 | ||||
Region 14325 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -4 | 70 -30 | DAO | S10E43 | |
|
||||
Solar flares on this day | ||||
| C2.9 C4.0 M1.3 | ||||
Region 14326 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 0 | BXO | S03W34 | |
|
||||
Region 14327 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S20W21 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/03/13 | M1.2 |
| Last geomagnetic storm | 2026/03/03 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (4%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 81.7 +3.5 |
| Last 30 days | 56.5 -72 |