Viewing archive of Thursday, 20 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 |
|---|---|---|---|---|
| 123 4 | 0 | C1.22 | C4.9 | 6 |
Sunspot regions
Region 13989 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 250 | HHX | N19W79 | |
|
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Region 13990 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 250 | CKO | S09W64 | |
|
||||
Solar flares on this day | ||||
| C1.6 | ||||
Region 13993 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 250 | CHO | N15W18 | |
|
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Region 13994 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 5 | AXX | S19W88 | |
|
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Region 13996 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -4 | 330 | FKO | S16W03 | |
|
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Solar flares on this day | ||||
| C1.5 C1.9 C1.9 C4.8 | ||||
Region 13997 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N03W25 | |
|
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Region 13998 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 6 | 220 20 | DAI | S14E12 | |
|
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Solar flares on this day | ||||
| C2.2 | ||||
Region 13999 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N06W05 | |
|
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All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 753Space Weather Memes 78650 mhz F2 83X8 CME 17Do the high-resolution sunspot counts point to more complex sunspots? 48
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Space weather facts
| Last X-flare | 2026/02/03 | X1.5 |
| Last M-flare | 2026/02/03 | M3.4 |
| 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 |