Viewing archive of Saturday, 21 December 2024 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 152 4 | 2 -2 | C2.08 | M1.98 | 9 | 1 |
Sunspot regions
Region 13922 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -5 | 240 -10 | DAO | S19W78 | |
|
||||
Region 13924 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 160 | DAO | S19W0* | |
|
||||
Region 13926 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 120 -30 | HAX | S20W09 | |
|
||||
Region 13927 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -9 | 100 -180 | HSX | S07E32 | |
|
||||
Solar flares on this day | ||||
| C3.3 C8.3 | ||||
Region 13928 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 4 | 180 30 | DAI | S17E34 | |
|
||||
Solar flares on this day | ||||
| C5.0 | ||||
Region 13929 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -10 | AXX | N18E18 | |
|
||||
Region 13930 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 80 -20 | CAI | S20W50 | |
|
||||
Solar flares on this day | ||||
| C4.9 C6.7 | ||||
Region 13931 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 40 30 | BXO | N26E17 | |
|
||||
Region 13932 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 4 | 310 130 | DKC | S16E57 | |
|
||||
Solar flares on this day | ||||
| M1.9 C5.2 C4.5 C3.6 C9.5 | ||||
Region 13933 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 200 | DAO | S08E36 | |
|
||||
Region 13934 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | CAO | N11E57 | |
|
||||
All times in UTC
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/08 | M1.8 |
| 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 | 162.7 +70.9 |
| Last 30 days | 108 +13.3 |