Viewing archive of Saturday, 23 September 2017 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 12 -10 | 0 | B1.09 | B4.64 |
Sunspot regions
Region 12680 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 60 | HSX | N07W93 | |
|
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Region 12681 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 80 | HSX | S13E46 | |
|
||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
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CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
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| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M2.2 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 141.3 +17.3 |
| Last 30 days | 123.1 +14.7 |