Viewing archive of Friday, 28 September 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 |
|---|---|---|---|---|---|
| 234 -45 | 0 -2 | C2.71 | M4.76 | 3 | 7 |
Sunspot regions
Region 9620 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 -30 | HSX | N12W77 | |
Region 9621 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 110 -30 | HAX | N14W72 | |
Region 9624 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 | HSX | N03W67 | |
Region 9627 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -7 | 0 -40 | AXX | N00W49 | |
Region 9628 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 37 -12 | 780 50 | EKC | S18W37 | |
Solar flares on this day | ||||
| C5.05 M3.5 C9.06 M1.03 | ||||
Region 9632 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 17 -4 | 710 40 | DKC | S19W21 | |
Region 9633 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 -10 | HSX | N22E10 | |
Region 9634 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 1 | 110 20 | DAO | N12E11 | |
Solar flares on this day | ||||
| M1.21 M1.72 | ||||
Region 9635 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 1 | 60 | DSO | N21W38 | |
Solar flares on this day | ||||
| C4.23 | ||||
Region 9636 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 4 | 370 -30 | FAI | N13E26 | |
Solar flares on this day | ||||
| M4.75 | ||||
Region 9637 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 3 | 200 -10 | DAO | S14E32 | |
Solar flares on this day | ||||
| M1.08 M1.53 | ||||
Region 9638 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 -20 | AXX | N03E35 | |
Region 9639 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 4 | 30 | DSO | N04E21 | |
Region 9640 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 40 | CSO | N10E67 | |
Region 9641 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HSX | S14E77 | |
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| Last M-flare | 2024/11/05 | M2.6 |
| Last geomagnetic storm | 2024/10/12 | Kp5 (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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