Viewing archive of Saturday, 19 December 2009 - 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 |
|---|---|---|---|---|
| 43 23 | 2 2 | B1.01 | C4.27 | 3 |
Sunspot regions
Region 11035 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -4 | 310 100 | ESI | N30W45 | |
Solar flares on this day | ||||
| C4.3 C1.31 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/09 | M1.1 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 137.6 -16.9 |
| Last 30 days | 152.2 +35.1 |