Viewing archive of Thursday, 18 December 2014 - 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 |
|---|---|---|---|---|---|
| 168 14 | 0 | C2 | M9.89 | 4 | 4 |
Sunspot regions
Region 12230 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 -20 | HAX | S14W88 | |
|
||||
Region 12234 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 80 -10 | HSX | N05W84 | |
|
||||
Region 12235 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 90 -70 | CAO | S07W29 | |
|
||||
Region 12236 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 80 -40 | CAO | N32W04 | |
|
||||
Region 12237 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 -40 | HSX | S11W14 | |
|
||||
Region 12239 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -6 | 80 | DSO | N13W15 | |
|
||||
Region 12240 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 40 -30 | CSO | N12E19 | |
|
||||
Region 12241 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 -4 | 390 170 | EKC | S10E19 | |
|
||||
Solar flares on this day | ||||
| C7.61 C9.81 M9.92 | ||||
Region 12242 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 1 | 700 70 | EKC | S18W01 | |
|
||||
Solar flares on this day | ||||
| C7.98 C8.08 M1.03 | ||||
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| Last M-flare | 2025/12/04 | M6.0 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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