Viewing archive of Friday, 17 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 |
|---|---|---|---|---|---|
| 149 44 | 2 | C2.41 | M7.46 | 18 | 9 |
Sunspot regions
Region 13956 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 90 10 | HAX | N04W72 | |
|
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Region 13959 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 4 | 550 120 | EKO | N18E12 | |
|
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Region 13961 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 10 | 600 260 | EKI | S09E31 | |
|
||||
Solar flares on this day | ||||
| M1.1 C6.7 C6.5 C4.5 C3.7 C5.3 | ||||
Region 13962 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 120 | DSO | N17E40 | |
|
||||
Region 13965 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 10 | HSX | N15E53 | |
|
||||
Region 13966 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N04E08 | |
|
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Region 13967 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | HAX | S18E72 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/09 | M1.5 |
| 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 | 108.9 +11.4 |