Viewing archive of Wednesday, 28 July 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 |
|---|---|---|---|
| 0 -25 | 0 | A5.84 | B6.96 |
Sunspot regions
Region 12846 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 0 | BXO | N24W47 | |
|
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Solar flares on this day | ||||
| B1.0 B1.1 B1.4 B1.1 B7.1 B3.0 B1.7 B1.3 | ||||
Region 12847 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 0 | AXX | S28W28 | |
|
||||
All times in UTC
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Latest forum messages
Filaments and prominences 526AR 13901 110AR 13903 1Incoming & Unnumbered Active Regions 1246Sunspot Latitudes at or near Solar Maximum 76
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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 | 156.1 +4.7 |