Viewing archive of Wednesday, 13 September 2017 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 11 | 0 | A2.29 | B2.1 |
Sunspot regions
Region 12674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | HRX | N16W0* | |
Region 12680 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 140 60 | HSX | N09E39 | |
|
||||
Solar flares on this day | ||||
| B1.27 B1.71 | ||||
All times in UTC
Latest news
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/22 | M1.0 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 144.1 -22.3 |
| Last 30 days | 158 +10.7 |