Viewing archive of Tuesday, 14 December 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 |
|---|---|---|---|---|
| 40 | 0 -2 | B2.14 | C6.04 | 4 |
Sunspot regions
Region 12905 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | HRX | S11E17 | |
|
||||
Region 12906 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 50 40 | CSO | S28E24 | |
|
||||
Solar flares on this day | ||||
| B2.5 B4.9 B3.6 B4.2 B3.9 B2.3 B4.1 B3.5 B3.2 B8.0 B5.9 C1.6 | ||||
Region 12907 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 2 | 50 40 | DSC | S19E49 | |
|
||||
Solar flares on this day | ||||
| C1.4 B6.4 B4.6 B7.7 C1.1 C1.3 C1.7 C3.1 C3.0 C6.1 | ||||
All times in UTC
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| Last M-flare | 2025/12/27 | M5.1 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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