Viewing archive of Wednesday, 20 December 2023 - 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 |
|---|---|---|---|---|
| 133 -11 | 1 | C1.66 | C8.33 | 10 |
Sunspot regions
Region 13519 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 | 140 50 | ESO | S11W58 | |
|
||||
Solar flares on this day | ||||
| C7.8 C6.5 | ||||
Region 13521 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 80 60 | DSO | N11E06 | |
|
||||
Solar flares on this day | ||||
| C7.5 C7.9 C8.2 C7.2 | ||||
Region 13523 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 10 5 | BXO | N25E10 | |
|
||||
Region 13524 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 5 | AXX | N26E08 | |
|
||||
Solar flares on this day | ||||
| C3.4 C4.5 | ||||
Region 13526 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 1 | 200 10 | CAO | N15E30 | |
|
||||
Solar flares on this day | ||||
| C2.6 | ||||
Region 13527 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 25 | CAO | S01W90 | |
|
||||
Region 13528 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 -1 | 140 30 | DAI | N09W13 | |
|
||||
Region 13529 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 450 200 | DKO | S19E24 | |
|
||||
Region 13530 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 180 130 | DAO | N08E49 | |
|
||||
Solar flares on this day | ||||
| C3.8 | ||||
Region 13531 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HAX | S20E68 | |
|
||||
Solar flares on this day | ||||
| C6.8 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/25 | M2.4 |
| Last geomagnetic storm | 2026/02/22 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (5%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 75.5 -37.1 |
| Last 30 days | 81.7 -39.4 |