Viewing archive of Monday, 17 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 | X |
|---|---|---|---|---|---|---|
| 159 -10 | 3 1 | C2.86 | X1.16 | 10 | 4 | 1 |
Sunspot regions
Region 9608 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -5 | 550 -70 | FKI | S29W64 | |
Solar flares on this day | ||||
| C5.22 X1.16 C4.8 M1.53 | ||||
Region 9610 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 -10 | 240 -190 | EAO | S12W59 | |
Region 9612 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -8 | 60 -50 | CRO | N17W80 | |
Region 9616 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 29 3 | 280 -40 | FHI | S12E16 | |
Solar flares on this day | ||||
| M2.21 M1.47 | ||||
Region 9617 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -3 | 40 -20 | CSO | N13E17 | |
Region 9618 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 20 -40 | BXO | S21W68 | |
Region 9619 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 30 -10 | CSO | N17W18 | |
Region 9620 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 130 | HSX | N12E70 | |
Region 9621 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 | HSX | N16E76 | |
Solar flares on this day | ||||
| M1 | ||||
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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