Viewing archive of Sunday, 1 October 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 |
|---|---|---|---|---|---|
| 136 30 | 3 2 | C1.38 | M2.5 | 14 | 1 |
Sunspot regions
Region 13440 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N18W99 | |
|
||||
Region 13447 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 70 -10 | HSX | S25W73 | |
|
||||
Region 13448 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 | HSX | N13W06 | |
|
||||
Region 13449 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 -2 | 40 -70 | CSO | N15W25 | |
|
||||
Solar flares on this day | ||||
| C2.5 C4.5 | ||||
Region 13450 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 20 8 | 180 10 | EAI | S20E18 | |
|
||||
Solar flares on this day | ||||
| C3.0 C3.6 C2.3 C2.1 C1.9 C2.5 | ||||
Region 13451 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 50 -30 | DRI | N17E48 | |
|
||||
Solar flares on this day | ||||
| C5.0 C3.5 | ||||
Region 13452 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 | 120 | DAI | N12E48 | |
|
||||
Solar flares on this day | ||||
| C3.1 M2.5 C3.4 | ||||
Region 13453 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 | 20 | CRO | N13E11 | |
|
||||
Region 13454 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | S13E62 | |
|
||||
All times in UTC
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| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
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|---|---|
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| April 2026 | 125 +39.1 |
| Last 30 days | 98.7 +39 |
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