Viewing archive of Wednesday, 21 August 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 | M |
|---|---|---|---|---|---|
| 176 -24 | 1 1 | C2.57 | M5.15 | 5 | 2 |
Sunspot regions
Region 13784 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -3 | 240 -70 | DAC | N15W99 | |
|
||||
Solar flares on this day | ||||
| C4.7 | ||||
Region 13785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -4 | 10 -70 | BXO | S12W89 | |
|
||||
Region 13788 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 -50 | HSX | S08W75 | |
|
||||
Region 13789 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -5 | 60 -60 | CAO | N27W68 | |
|
||||
Solar flares on this day | ||||
| C4.0 | ||||
Region 13790 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 -7 | 500 100 | DKC | S11W08 | |
|
||||
Region 13792 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 400 | CKO | S18E07 | |
|
||||
Region 13793 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -6 | 10 -40 | BXO | N22W07 | |
|
||||
Region 13794 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -10 | 180 -60 | DAI | N18W25 | |
|
||||
Region 13796 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 2 | 350 110 | DKC | S03E26 | |
|
||||
Solar flares on this day | ||||
| C4.5 C8.7 M1.1 M5.1 | ||||
Region 13797 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 10 -20 | BXO | S04W55 | |
|
||||
Region 13798 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 10 | HSX | N06E48 | |
|
||||
Region 13799 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 | 110 | CSO | S09E59 | |
|
||||
Solar flares on this day | ||||
| C3.8 | ||||
All times in UTC
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| 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 | 160.6 +68.8 |
| Last 30 days | 108 +10.6 |