Viewing archive of Saturday, 17 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 | M |
|---|---|---|---|---|---|
| 96 -8 | 1 1 | B5.57 | M4.74 | 4 | 2 |
Sunspot regions
Region 11817 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -9 | 140 -120 | EAI | S21W44 | |
|
||||
Solar flares on this day | ||||
| B8.43 | ||||
Region 11818 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 1 | 330 30 | DKI | S07W19 | |
|
||||
Solar flares on this day | ||||
| B9.04 C1.86 C1.22 C1.2 M4.73 M2.1 | ||||
Region 11819 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 10 -10 | BXO | S16W32 | |
|
||||
Region 11820 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 20 -10 | CRO | S13E25 | |
|
||||
Region 11822 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 20 -10 | CRO | S08E44 | |
|
||||
Region 11823 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 130 10 | HSX | S07E57 | |
|
||||
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/23 | M8.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
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| Last 30 days | 116.1 -41.8 |