Viewing archive of Saturday, 20 January 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 |
|---|---|---|---|---|
| 144 7 | 1 | B7.52 | C5.27 | 9 |
Sunspot regions
Region 13545 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 130 -50 | HAX | S06W79 | |
|
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Region 13549 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 180 -20 | CSO | S21W41 | |
|
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Region 13551 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 -10 | AXX | N26W50 | |
|
||||
Region 13553 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -5 | 40 -40 | HAX | N05W26 | |
|
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Region 13555 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -2 | 150 | CSO | S12E01 | |
|
||||
Solar flares on this day | ||||
| C3.5 | ||||
Region 13556 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 90 | HAX | N15E11 | |
|
||||
Region 13559 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 16 | 220 50 | EAI | N28E36 | |
|
||||
Solar flares on this day | ||||
| C1.7 B9.7 B9.7 C5.2 C1.5 C1.4 C1.5 | ||||
Region 13560 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 7 | 40 30 | BXI | S09E46 | |
|
||||
Solar flares on this day | ||||
| B9.6 C1.7 C1.7 C1.3 | ||||
Region 13561 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 80 60 | DAO | S16W03 | |
|
||||
Region 13562 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 30 | CRO | S09W14 | |
|
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All times in UTC
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Space weather facts
| 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 | 186 +94.2 |
| Last 30 days | 106.3 +12.6 |