Viewing archive of Friday, 29 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 | C | M |
|---|---|---|---|---|---|
| 82 -14 | 0 | B3.66 | M1.56 | 5 | 1 |
Sunspot regions
Region 12886 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 | HSX | S19W81 | |
|
||||
Region 12887 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 -6 | 250 -70 | DHI | S27W22 | |
|
||||
Solar flares on this day | ||||
| C1.1 B8.6 C2.5 | ||||
Region 12889 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 -20 | BXO | S23E33 | |
|
||||
Region 12890 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 20 -10 | AXX | S18W64 | |
|
||||
Region 12891 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 16 6 | 350 130 | DKI | N18E42 | |
|
||||
Solar flares on this day | ||||
| B7.1 M1.5 C4.8 C6.0 B7.5 C1.5 B7.2 B8.7 B9.4 B7.8 | ||||
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Space weather facts
| Last X-flare | 2025/12/08 | X1.1 |
| Last M-flare | 2025/12/10 | M1.2 |
| Last geomagnetic storm | 2025/12/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| December 2025 | 157.7 +65.9 |
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