Viewing archive of Saturday, 4 March 2023 - 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 |
|---|---|---|---|---|---|
| 122 -11 | 0 -3 | C2.08 | M5.27 | 12 | 3 |
Sunspot regions
Region 13234 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -14 | 120 -700 | DAO | N25W90 | |
|
||||
Solar flares on this day | ||||
| C4.3 C6.6 C9.0 M5.2 C4.8 C6.5 C5.6 | ||||
Region 13238 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 80 10 | HSX | N09W05 | |
|
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Region 13239 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 | HSX | N31E14 | |
|
||||
Region 13240 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 10 -20 | BXO | S16E14 | |
|
||||
Region 13241 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 60 -10 | HSX | N27E32 | |
|
||||
Region 13242 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 8 | 140 -90 | CAI | N10E39 | |
|
||||
Solar flares on this day | ||||
| C5.3 C3.9 C5.6 C4.1 C4.6 M1.2 C4.9 C3.3 | ||||
Region 13243 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 8 | 90 80 | CAO | N18W51 | |
|
||||
Solar flares on this day | ||||
| M1.0 C4.2 | ||||
Region 13244 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 | HRX | S22W33 | |
|
||||
Region 13245 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 40 | HSX | S23E60 | |
|
||||
Solar flares on this day | ||||
| C4.9 | ||||
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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 |