Viewing archive of Friday, 24 December 2021 - 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 |
|---|---|---|---|---|
| 145 2 | 0 | B7.52 | C7.45 | 13 |
Sunspot regions
Region 12907 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -2 | 280 -20 | EHI | S22W77 | |
|
||||
Solar flares on this day | ||||
| C5.2 C5.6 C3.0 | ||||
Region 12908 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -6 | 20 -80 | CRO | S19W67 | |
|
||||
Solar flares on this day | ||||
| C1.6 C5.8 C3.8 C4.2 C3.5 C5.3 C1.4 C1.3 C1.9 | ||||
Region 12909 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 20 -30 | HRX | S22W53 | |
|
||||
Region 12911 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N20W39 | |
|
||||
Region 12912 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 10 | HRX | S12W01 | |
|
||||
Region 12915 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 20 -10 | CRO | N16W03 | |
|
||||
Region 12916 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 10 | 400 210 | DHI | S18E42 | |
|
||||
Region 12917 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 2 | 50 20 | CRO | S28E05 | |
|
||||
Solar flares on this day | ||||
| C7.5 | ||||
Region 12918 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 9 | 140 60 | DAI | N19E23 | |
|
||||
All times in UTC
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| Last X-flare | 2026/03/30 | X1.4 |
| Last M-flare | 2026/03/28 | M1.3 |
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| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
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|---|---|
| February 2026 | 78.2 -34.3 |
| Last 30 days | 88.6 +15.4 |
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