Viewing archive of Saturday, 18 January 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 |
|---|---|---|---|---|---|
| 128 -21 | 0 -2 | C1.71 | M1.73 | 12 | 2 |
Sunspot regions
Region 13956 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 20 -70 | HAX | N04W85 | |
|
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Region 13959 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -4 | 560 10 | EKO | N19W05 | |
|
||||
Solar flares on this day | ||||
| C5.0 C2.9 C4.7 | ||||
Region 13961 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -3 | 720 120 | EKC | S08E20 | |
|
||||
Solar flares on this day | ||||
| C8.8 C8.4 C3.6 | ||||
Region 13962 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 100 -20 | CSO | N19E27 | |
|
||||
Region 13964 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -3 | 450 -25 | DKI | N07W50 | |
|
||||
Solar flares on this day | ||||
| M1.7 M1.1 C8.4 C5.1 C5.0 C6.1 C6.9 | ||||
Region 13965 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 140 40 | CSO | N18E40 | |
|
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Region 13966 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N04W07 | |
|
||||
Region 13967 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 60 30 | DAO | S15E54 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/06 | M8.1 |
| 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 | 175.4 +83.6 |
| Last 30 days | 106.4 +12.9 |