Viewing archive of Friday, 4 December 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 25 -22 | 0 -2 | B3.29 | C2.21 | 3 |
Sunspot regions
Region 12458 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 10 -40 | BXO | N09W79 | |
|
||||
Solar flares on this day | ||||
| B6.69 | ||||
Region 12459 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N05W49 | |
|
||||
Region 12462 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HAX | N09E68 | |
|
||||
Solar flares on this day | ||||
| C5.71 | ||||
Region 12463 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HAX | S09E76 | |
|
||||
Solar flares on this day | ||||
| C1.51 B7.96 B7.55 C1.05 | ||||
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| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| December 2024 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |