Viewing archive of Thursday, 7 September 2017 - 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 |
|---|---|---|---|---|---|---|
| 94 15 | 1 1 | C1.71 | X1.99 | 7 | 4 | 2 |
Sunspot regions
Region 12673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 24 -9 | 960 80 | EKC | S10W43 | |
|
||||
Solar flares on this day | ||||
| M3.57 M1.18 C3.87 M2.13 X1.09 C4.39 X1.99 C7.49 C6.5 C3.82 C7.8 M5.61 | ||||
Region 12674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 -13 | 680 | FKI | N14W28 | |
|
||||
Region 12675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | BXO | S07W97 | |
Region 12677 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 -10 | AXX | N18E25 | |
|
||||
Solar flares on this day | ||||
| C3.87 | ||||
Region 12678 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 40 30 | CSO | N11E31 | |
|
||||
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
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| November 2024 | 166 -0.4 |
| Last 30 days | 163.2 +18.4 |