Viewing archive of Thursday, 28 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 | X |
|---|---|---|---|---|---|---|
| 96 5 | 0 | B6.14 | X1 | 9 | 2 | 1 |
Sunspot regions
Region 12886 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 100 10 | HSX | S19W68 | |
|
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Region 12887 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 2 | 320 70 | DKC | S26W09 | |
|
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Solar flares on this day | ||||
| C1.2 M1.42 C1.1 M2.2 C1.2 C3.3 C3.9 X1.0 | ||||
Region 12889 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 30 -10 | BXO | S23E17 | |
|
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Region 12890 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 30 | BXO | S18W52 | |
|
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Region 12891 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 6 | 220 -30 | CAI | N18E60 | |
|
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Solar flares on this day | ||||
| C2.3 C3.2 C3.2 C3.2 C1.6 | ||||
All times in UTC
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Space weather facts
| Last X-flare | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/20 | M1.1 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 142.7 -23.8 |
| Last 30 days | 155.2 +4.4 |