Viewing archive of Monday, 4 September 2023 - 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 |
|---|---|---|---|---|
| 100 21 | 2 | B7.94 | C6.68 | 10 |
Sunspot regions
Region 13415 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 120 | CSO | S09W97 | |
|
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Region 13417 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 40 | CAO | S08W22 | |
|
||||
Solar flares on this day | ||||
| C1.4 | ||||
Region 13418 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HRX | N21W04 | |
|
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Region 13419 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N24W65 | |
|
||||
Region 13420 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -3 | 20 -10 | CRO | S20E02 | |
|
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Region 13421 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 4 | 20 | DAI | N15W00 | |
|
||||
Solar flares on this day | ||||
| C1.3 C2.0 C1.9 C1.4 | ||||
Region 13422 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 30 | CRO | N12E21 | |
|
||||
Solar flares on this day | ||||
| C2.1 | ||||
Region 13423 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 10 | BXO | N17E59 | |
|
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Space weather facts
| Last X-flare | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/22 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 103.3 -49.2 |
| Last 30 days | 115.4 -40.8 |