Viewing archive of Friday, 13 September 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 |
|---|---|---|---|---|---|
| 127 -33 | 1 1 | C5.25 | M5.41 | 4 | 11 |
Sunspot regions
Region 13811 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 150 | DSI | S13W0* | |
|
||||
Solar flares on this day | ||||
| M1.5 M1.6 M1.3 M2.3 M5.4 M5.2 | ||||
Region 13813 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 30 10 | HAX | S24W80 | |
|
||||
Solar flares on this day | ||||
| C6.3 | ||||
Region 13814 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -7 | 110 -170 | CSO | N16W43 | |
|
||||
Solar flares on this day | ||||
| M2.9 | ||||
Region 13815 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 -100 | HSX | S25W69 | |
|
||||
Solar flares on this day | ||||
| M2.1 | ||||
Region 13816 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -60 | AXX | S08W76 | |
|
||||
Region 13822 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 | 140 10 | DAI | N14W31 | |
|
||||
Region 13823 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 30 -20 | CRO | S19W93 | |
|
||||
Solar flares on this day | ||||
| C9.6 | ||||
Region 13824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -7 | 110 -60 | DSI | S05E01 | |
|
||||
Region 13825 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 240 | DAC | S18E63 | |
|
||||
Solar flares on this day | ||||
| M1.2 M1.4 C9.4 M1.1 C4.8 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/08 | M2.0 |
| 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 | 167.7 +75.9 |
| Last 30 days | 107.1 +12.4 |