Viewing archive of Friday, 16 August 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 104 -25 | 0 -2 | B5.14 | C3.73 | 3 |
Sunspot regions
Region 11817 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 | 260 40 | EKC | S21W31 | |
|
||||
Region 11818 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 | 300 30 | DKI | S07W07 | |
|
||||
Solar flares on this day | ||||
| C1.93 C3.68 C1.23 | ||||
Region 11819 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 20 -10 | CAO | S17W19 | |
|
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Region 11820 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 1 | 30 10 | CRO | S13E31 | |
|
||||
Region 11821 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 | BXO | N01W35 | |
|
||||
Region 11822 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | DAO | S08E57 | |
|
||||
Region 11823 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 | HSX | S07E72 | |
|
||||
All times in UTC
Current data suggests there is a slight possibility for aurora to appear at the following high latitude regions in the near future
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Latest alerts
02:09 UTC - Solar flare
Moderate M1.54 flare from sunspot region 4048
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Minor R1 radio blackout in progress (≥M1 - current: M1.24)
Saturday, 29 March 2025
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Space weather facts
| Last X-flare | 2025/03/28 | X1.1 |
| Last M-flare | 2025/03/30 | M1.5 |
| Last geomagnetic storm | 2025/03/27 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 127.5 -27.1 |
| Last 30 days | 127.5 -24.7 |