Viewing archive of Wednesday, 1 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 |
|---|---|---|---|---|
| 89 24 | 1 1 | B6.78 | C5.78 | 4 |
Sunspot regions
Region 13201 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 11 | 50 | HSX | N24W48 | |
|
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Region 13204 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 80 20 | CAO | N24W90 | |
|
||||
Solar flares on this day | ||||
| C3.7 C5.7 | ||||
Region 13205 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 60 -30 | HSX | S23W91 | |
|
||||
Region 13206 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 30 | BXO | S22E19 | |
|
||||
Region 13207 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 90 -40 | CAO | S11E51 | |
|
||||
Solar flares on this day | ||||
| C1.0 C1.8 | ||||
Region 13208 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | CRO | N16E51 | |
|
||||
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| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/04/08 | M1.5 |
| Last geomagnetic storm | 2025/04/06 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2025 | 134.2 -20.4 |
| April 2025 | 141.4 +7.2 |
| Last 30 days | 137.9 +0.4 |