Viewing archive of Wednesday, 4 October 2017 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 27 2 | 0 | A8.29 | B3.47 |
Sunspot regions
Region 12682 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 120 10 | HSX | S10W47 | |
|
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Region 12683 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 330 40 | CKO | N13W32 | |
|
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All times in UTC
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Thursday, 27 March 2025
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| Last M-flare | 2025/03/27 | M2.0 |
| Last geomagnetic storm | 2025/03/26 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| March 2025 | 132.3 -22.3 |
| Last 30 days | 132.3 -20 |