Viewing archive of Thursday, 31 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 |
|---|---|---|---|
| 18 -16 | 0 | B4 | C2.37 |
Sunspot regions
Region 12472 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -5 | 10 | AXX | N04W44 | |
|
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Region 12473 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -15 | 240 -230 | EAC | S21W47 | |
|
||||
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/21 | M1.9 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 100.9 -51.6 |
| Last 30 days | 116.1 -38.9 |