Viewing archive of Saturday, 4 February 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 |
|---|---|---|---|---|
| 66 -8 | 1 -1 | B7.74 | C2.29 | 4 |
Sunspot regions
Region 13206 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S21W22 | |
|
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Region 13207 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -1 | 60 -40 | CAO | S12E09 | |
|
||||
Solar flares on this day | ||||
| C1.7 | ||||
Region 13208 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N16E13 | |
|
||||
Region 13209 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 70 30 | DSO | N18E42 | |
|
||||
Region 13210 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | CAO | S15W19 | |
|
||||
Region 13211 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 20 | CAO | S16W29 | |
|
||||
Solar flares on this day | ||||
| C1.4 C1.4 | ||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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X1.9 solar flare with earth-directed CME
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/04 | M1.1 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 133 +9 |
| Last 30 days | 120.6 +10.9 |