Viewing archive of Sunday, 3 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 | M |
|---|---|---|---|---|---|
| 79 2 | 2 1 | B7.08 | M6.01 | 8 | 2 |
Sunspot regions
Region 13413 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 150 | DSO | N10W0* | |
|
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Solar flares on this day | ||||
| C1.3 M1.1 C1.5 C1.0 C1.8 C5.9 M6.0 C4.9 C5.7 | ||||
Region 13415 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 120 | CSO | S09W83 | |
|
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Region 13417 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -12 | 40 -40 | CSO | S07W08 | |
|
||||
Solar flares on this day | ||||
| C1.2 | ||||
Region 13418 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | HSX | N20E11 | |
|
||||
Region 13419 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 10 | BXO | N24W50 | |
|
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Region 13420 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 30 | CSO | S20E16 | |
|
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Region 13421 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 20 | BXO | N15E14 | |
|
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All times in UTC
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Space weather facts
| Last X-flare | 2026/03/30 | X1.4 |
| Last M-flare | 2026/03/28 | M1.3 |
| Last geomagnetic storm | 2026/03/25 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2026 | 78.2 -34.3 |
| March 2026 | 86.6 +8.4 |
| Last 30 days | 86.6 +11.2 |
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