Viewing archive of Tuesday, 17 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 |
|---|---|---|---|---|
| 88 -2 | 0 | C1.31 | C5.93 | 7 |
Sunspot regions
Region 13917 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 160 | CAO | S07W0* | |
|
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Solar flares on this day | ||||
| C4.5 C3.6 C4.0 | ||||
Region 13919 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 2 | 140 120 | AXX | S13W92 | |
|
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Region 13920 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 90 -50 | HSX | N22W67 | |
|
||||
Solar flares on this day | ||||
| C2.5 | ||||
Region 13922 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 2 | 140 90 | DAI | S18W27 | |
|
||||
Solar flares on this day | ||||
| C2.1 | ||||
Region 13924 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 21 3 | 280 | EKO | S19W57 | |
|
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Region 13925 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | BXO | N11E05 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 13926 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 160 40 | CSO | S21E41 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/18 | M1.1 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 132.4 -22.1 |
| Last 30 days | 155.7 +39.3 |