Viewing archive of Thursday, 30 September 2021 - 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 |
|---|---|---|---|---|
| 46 -28 | 0 | B2.26 | C1.22 | 1 |
Sunspot regions
Region 12871 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S28W79 | |
|
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Region 12877 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -1 | 200 70 | DAO | S18W52 | |
|
||||
Solar flares on this day | ||||
| B9.5 B5.0 B8.3 B6.6 B3.1 B5.5 C1.2 B3.0 B2.8 B3.3 | ||||
Region 12878 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 0 | 0 | AXX | S23W17 | |
|
||||
Region 12880 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -5 | 210 -180 | DAO | N32E30 | |
|
||||
Solar flares on this day | ||||
| B4.9 | ||||
Region 12881 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N16W47 | |
|
||||
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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