Viewing archive of Saturday, 20 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 | X |
|---|---|---|---|---|---|
| 120 -36 | 1 | C1.86 | X2.69 | 5 | 1 |
Sunspot regions
Region 12235 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 60 | CAO | S07W56 | |
|
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Region 12236 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -10 | HAX | N30W32 | |
|
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Region 12237 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 20 -10 | HRX | S13W41 | |
|
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Region 12239 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 6 | 40 10 | DAO | N15W42 | |
|
||||
Region 12240 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 60 | CSO | N11W04 | |
|
||||
Region 12241 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 -15 | 720 100 | EKC | S09W06 | |
|
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Region 12242 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 34 -16 | 1080 110 | EKC | S18W29 | |
|
||||
Solar flares on this day | ||||
| X2.69 C3.25 C4.12 C2.95 C8.03 | ||||
Region 12243 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N09E28 | |
|
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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 | |
|---|---|
| November 2025 | 91.8 -22.8 |
| December 2025 | 175.4 +83.6 |
| Last 30 days | 107.3 +14.6 |