Viewing archive of Tuesday, 5 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 |
|---|---|---|---|---|---|
| 122 | 1 1 | C1.71 | M6.01 | 6 | 6 |
Sunspot regions
Region 12673 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 16 | 680 550 | DKC | S10W16 | |
|
||||
Solar flares on this day | ||||
| M1.4 M6.01 M1.45 M4.64 M5.47 C7.81 C3.39 C9.97 C5.3 C6.58 M3.33 C2.19 | ||||
Region 12674 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 34 13 | 740 -190 | FHI | N14W01 | |
|
||||
Region 12675 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 10 -40 | BXO | S02W76 | |
|
||||
Region 12676 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 30 10 | CRO | S09W65 | |
|
||||
Region 12677 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | N19E51 | |
|
||||
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| Last X-flare | 2025/06/19 | X1.9 |
| Last M-flare | 2025/10/03 | M1.2 |
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| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| September 2025 | 129.8 -3.7 |
| October 2025 | 140.1 +10.3 |
| Last 30 days | 131.3 -1.2 |