Viewing archive of Thursday, 12 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 | X |
|---|---|---|---|---|---|---|
| 160 -19 | 0 -2 | C4.92 | X1.3 | 8 | 6 | 1 |
Sunspot regions
Region 13811 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 150 -10 | DSI | S10W95 | |
|
||||
Solar flares on this day | ||||
| M5.0 C7.5 M1.1 C6.6 M2.7 M6.8 C7.4 | ||||
Region 13813 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 20 -50 | HAX | S25W64 | |
|
||||
Solar flares on this day | ||||
| C7.0 C8.1 C8.2 | ||||
Region 13814 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 | 280 -20 | DHI | N16W30 | |
|
||||
Solar flares on this day | ||||
| M1.2 C8.0 C8.9 | ||||
Region 13815 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 140 10 | HSX | S28W52 | |
|
||||
Region 13816 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 70 10 | CSO | S12W57 | |
|
||||
Region 13819 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S27W50 | |
|
||||
Region 13820 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 3 | 10 | AXX | S20W63 | |
|
||||
Region 13822 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -7 | 130 10 | DAI | N14W16 | |
|
||||
Region 13823 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -7 | 50 -100 | CRO | S19W73 | |
|
||||
Solar flares on this day | ||||
| C9.9 | ||||
Region 13824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 5 | 170 30 | DAI | S04E16 | |
|
||||
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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |