Viewing archive of Sunday, 22 December 2013 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 111 -20 | 0 | C1.34 | M4.81 | 12 | 7 |
Sunspot regions
Region 11920 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 | HAX | N13W88 | |
|
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Region 11921 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 180 | HAX | N07W85 | |
|
||||
Region 11928 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 | 460 | EKC | S17W47 | |
|
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Solar flares on this day | ||||
| C7.37 C6.78 M2.8 M1.67 C5.34 M4.82 M1.26 C8.76 M2.3 M1.18 | ||||
Region 11929 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | AXX | S12E11 | |
|
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Region 11930 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 90 | DAI | S11W05 | |
|
||||
Region 11931 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 220 | HSX | S15E36 | |
|
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Region 11933 |
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|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 60 | DAO | S13W65 | |
|
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Region 11934 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 140 | CAO | S15E53 | |
|
||||
Solar flares on this day | ||||
| C9.17 M2.29 | ||||
All times in UTC
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| Last X-flare | 2025/12/01 | X1.9 |
| Last M-flare | 2025/12/04 | M6.0 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 186 +94.2 |
| Last 30 days | 106.4 +13.7 |