Viewing archive of Monday, 30 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 |
|---|---|---|---|---|
| 93 -26 | 0 -1 | B9.86 | C3.5 | 3 |
Sunspot regions
Region 11931 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 110 -30 | HSX | S14W73 | |
|
||||
Region 11934 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 2 | 160 | ESC | S18W53 | |
|
||||
Region 11936 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 30 9 | 170 30 | EAC | S17W08 | |
|
||||
Solar flares on this day | ||||
| C3.28 C3.46 C2.37 | ||||
Region 11937 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 10 | BXO | S12E19 | |
|
||||
Region 11938 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 60 -60 | CAO | S13E37 | |
|
||||
Region 11939 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 10 | BXO | S06W69 | |
|
||||
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| Last 30 days | 119.2 +2.7 |