Viewing archive of Monday, 23 December 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 108 -3 | 2 2 | B8.14 | M2.35 | 11 | 4 |
Sunspot regions
Region 11920 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | N13W0* | |
|
||||
Region 11921 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 60 -120 | HSX | N07W94 | |
|
||||
Region 11928 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -6 | 380 -80 | EKC | S17W61 | |
|
||||
Solar flares on this day | ||||
| C3.87 C6.45 C6.3 C4.77 M1.14 M2.36 C7.61 C4.16 C3.22 C1.58 | ||||
Region 11929 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 | BXO | S13W04 | |
|
||||
Region 11930 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -2 | 60 -30 | DSO | S11W19 | |
|
||||
Region 11931 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 170 -50 | HSX | S15E21 | |
|
||||
Region 11933 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 40 -20 | HSX | S13W82 | |
|
||||
Region 11934 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 4 | 160 20 | DAC | S15E40 | |
|
||||
Solar flares on this day | ||||
| C2.45 | ||||
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| Last M-flare | 2025/12/10 | M4.4 |
| Last geomagnetic storm | 2025/12/10 | Kp6+ (G2) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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