Viewing archive of Monday, 28 June 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 |
|---|---|---|---|---|
| 50 18 | 1 | B1.9 | C2.07 | 2 |
Sunspot regions
Region 12835 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 5 | 240 10 | DSI | S18E26 | |
|
||||
Solar flares on this day | ||||
| B5.2 B9.4 B5.7 B3.8 B3.7 C1.6 B7.8 B5.6 B3.1 | ||||
Region 12836 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 2 | 20 | CRO | S29E22 | |
|
||||
Solar flares on this day | ||||
| B6.9 C2.1 | ||||
Region 12837 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HSX | N17E69 | |
|
||||
All times in UTC
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| 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 | 142.9 -23.5 |
| Last 30 days | 155.8 +4.5 |