Viewing archive of Monday, 28 September 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M | X |
|---|---|---|---|---|---|---|
| 120 -34 | 1 | C1.43 | X1.09 | 9 | 7 | 1 |
Sunspot regions
Region 12420 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -4 | 110 -30 | FAI | N11W17 | |
|
||||
Region 12421 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -1 | 100 -10 | DAI | N16W35 | |
|
||||
Region 12422 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 -3 | 650 240 | EKC | S20W16 | |
|
||||
Solar flares on this day | ||||
| M1.59 M1.23 M1.7 M1.4 X1.09 C4.86 C4.01 C6.24 C2.93 | ||||
Region 12423 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 9 | 100 80 | DAI | S09W65 | |
|
||||
Solar flares on this day | ||||
| M5.16 C3.09 C6.45 C5.87 M1.09 | ||||
Region 12424 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 10 -10 | AXX | N12W58 | |
|
||||
Region 12425 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 0 -10 | AXX | S05W27 | |
|
||||
Region 12426 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 10 | AXX | N16E22 | |
|
||||
Region 12427 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 | 30 | CRO | N18E49 | |
|
||||
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| Last M-flare | 2025/10/03 | M1.2 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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