Viewing archive of Saturday, 7 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 |
|---|---|---|---|---|---|
| 104 -1 | 1 1 | C1.36 | M1.82 | 3 | 1 |
Sunspot regions
Region 11908 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 40 -20 | HSX | S25W79 | |
|
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Region 11909 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -9 | 140 -60 | DSO | S17W50 | |
|
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Solar flares on this day | ||||
| M1.82 | ||||
Region 11911 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S11W64 | |
|
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Region 11912 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 130 20 | CAO | S21E17 | |
|
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Region 11915 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 1 | 30 -50 | DRO | S30W48 | |
|
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Region 11916 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 9 | 200 150 | DAC | S13W10 | |
|
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Solar flares on this day | ||||
| C4.7 C2.5 | ||||
All times in UTC
Latest news
Monday, 30 March 2026
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
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| April 2026 | 118.8 +32.8 |
| Last 30 days | 102.1 +47 |
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