Viewing archive of Monday, 20 May 2024 - 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 |
|---|---|---|---|---|
| 124 -30 | 0 -1 | C1.4 | C6.72 | 4 |
Sunspot regions
Region 13674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 100 -20 | CSO | S13W55 | |
|
||||
Region 13676 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S21W97 | |
|
||||
Region 13679 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 | 150 -20 | ESI | S08W31 | |
|
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Region 13683 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -2 | 100 -10 | DAI | S25W72 | |
|
||||
Solar flares on this day | ||||
| C6.6 | ||||
Region 13684 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 20 10 | CAO | S07W05 | |
|
||||
Region 13685 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 3 | 350 -70 | EHC | S12E17 | |
|
||||
Solar flares on this day | ||||
| C2.1 C4.6 | ||||
Region 13686 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 6 | 120 -10 | CAO | S06E25 | |
|
||||
Solar flares on this day | ||||
| C2.3 C2.8 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| 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 | 107.3 +14.6 |