Viewing archive of Friday, 28 December 2001 - 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 | X |
|---|---|---|---|---|---|---|
| 263 -5 | 2 | C3.71 | X4.99 | 2 | 4 | 1 |
Sunspot regions
Region 9742 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -11 | 690 220 | EKI | N12W81 | |
Solar flares on this day | ||||
| M6.83 | ||||
Region 9743 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 50 -20 | HSX | S09W74 | |
Region 9745 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 10 | BXO | N18W62 | |
Region 9748 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 -2 | 330 30 | EAO | S11W64 | |
Solar flares on this day | ||||
| M1.89 | ||||
Region 9751 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 38 5 | 410 -90 | EAI | N04W10 | |
Solar flares on this day | ||||
| M1.19 | ||||
Region 9753 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -3 | 50 | DSO | S18W06 | |
Region 9754 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 23 -3 | 140 -110 | EAI | S08E11 | |
Solar flares on this day | ||||
| C6.07 M1.43 | ||||
Region 9755 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 150 -50 | CAO | S04E37 | |
Region 9756 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 30 | HSX | S29E60 | |
Region 9757 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 3 | 20 10 | CRO | S08W12 | |
Region 9760 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 10 | CRO | N07E21 | |
Region 9761 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 50 | HSX | N10E61 | |
Region 9762 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | N03E07 | |
Region 9763 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HSX | N06E76 | |
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| Last X-flare | 2024/03/28 | X1.1 |
| Last M-flare | 2024/04/24 | M1.4 |
| Last geomagnetic storm | 2024/04/19 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2024 | 104.9 -19.8 |
| Last 30 days | 129.9 +24.3 |