Viewing archive of Wednesday, 18 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 |
|---|---|---|---|---|
| 106 -34 | 1 | C1.06 | C4.1 | 4 |
Sunspot regions
Region 13822 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | BXO | N14W99 | |
|
||||
Region 13824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -13 | 100 | EAI | S04W69 | |
|
||||
Solar flares on this day | ||||
| C2.1 | ||||
Region 13825 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 -10 | 200 20 | EHI | S15W07 | |
|
||||
Solar flares on this day | ||||
| C3.0 | ||||
Region 13827 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 100 -20 | CKO | S26E33 | |
|
||||
Region 13828 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 140 20 | CHO | S13E45 | |
|
||||
Solar flares on this day | ||||
| C4.1 | ||||
Region 13829 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 30 -20 | BXO | N11W62 | |
|
||||
Region 13830 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N15W71 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/12 | M1.1 |
| Last geomagnetic storm | 2025/12/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 125.7 +33.9 |
| Last 30 days | 109.3 +18.1 |