Viewing archive of Sunday, 19 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 |
|---|---|---|---|---|
| 109 -8 | 1 1 | B4.08 | C3.79 | 4 |
Sunspot regions
Region 12906 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 20 | HRX | S31W45 | |
|
||||
Region 12907 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -9 | 250 -60 | DKI | S21W14 | |
|
||||
Solar flares on this day | ||||
| B6.3 C1.5 B9.1 C1.8 C1.9 C3.8 | ||||
Region 12908 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -2 | 240 -30 | EAI | S22E02 | |
|
||||
Region 12909 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 120 -90 | CAO | S21E16 | |
|
||||
Region 12910 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 10 | HSX | N12W54 | |
|
||||
Region 12911 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -3 | 50 -30 | HAX | N20E24 | |
|
||||
Region 12912 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 | HSX | S12E63 | |
|
||||
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| Spotless days | |
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