Viewing archive of Saturday, 13 November 2021 - 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 |
|---|---|---|---|---|
| 24 -15 | 0 | A7.71 | C1.25 | 1 |
Sunspot regions
Region 12893 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 | HSX | N16W0* | |
|
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Region 12894 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 100 -30 | CSO | S29W34 | |
|
||||
Solar flares on this day | ||||
| B1.6 B1.5 C1.2 | ||||
Region 12895 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | AXX | N23W20 | |
|
||||
Solar flares on this day | ||||
| B1.7 B1.6 | ||||
All times in UTC
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| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/02/23 | M4.9 |
| Last geomagnetic storm | 2025/02/19 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2025 | 137 -17.5 |
| February 2025 | 154.3 +17.3 |
| Last 30 days | 150.6 -11.5 |