Viewing archive of Tuesday, 4 February 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 |
|---|---|---|---|---|---|
| 194 41 | 3 3 | C2.46 | M4.73 | 12 | 4 |
Sunspot regions
Region 13974 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -7 | 10 | BXO | S17W48 | |
|
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Region 13976 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 4 | 260 | EKI | N13W26 | |
|
||||
Solar flares on this day | ||||
| C7.2 C7.9 | ||||
Region 13977 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 10 | 150 30 | EAI | N19W28 | |
|
||||
Solar flares on this day | ||||
| M1.2 C3.6 M3.2 | ||||
Region 13978 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 2 | 250 50 | DKO | N11W16 | |
|
||||
Solar flares on this day | ||||
| C8.4 | ||||
Region 13979 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | S10W97 | |
|
||||
Region 13980 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 4 | 10 | BXO | S10W09 | |
|
||||
Region 13981 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 5 | 400 150 | EKC | N05W06 | |
|
||||
Solar flares on this day | ||||
| M1.2 M2.6 C4.1 C5.9 C5.7 M4.7 C4.9 C4.2 C3.1 C2.6 C3.9 C4.3 | ||||
Region 13982 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 -20 | BXO | N22W09 | |
|
||||
Region 13983 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | N06E61 | |
|
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Region 13984 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 | 85 | DAI | N16W15 | |
|
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Region 13985 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 | BXO | N22E23 | |
|
||||
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M4.4 |
| 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 | 157.7 +65.9 |
| Last 30 days | 108.1 +9.9 |