Viewing archive of Wednesday, 13 October 2021 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 27 1 | 1 1 | A7.48 | C1.35 |
Sunspot regions
Region 12882 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 250 -20 | CHO | N17W56 | |
|
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Solar flares on this day | ||||
| B3.4 B4.8 | ||||
Region 12883 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N26W0* | |
|
||||
Region 12884 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 1 | 230 220 | AXX | N16W55 | |
|
||||
Region 12885 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | CRO | N15W67 | |
|
||||
Solar flares on this day | ||||
| B1.4 B1.8 C1.0 B4.8 B3.8 B5.4 B2.8 C1.3 C1.3 B2.1 B4.8 | ||||
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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 |