Viewing archive of Friday, 10 April 2015 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C | M |
|---|---|---|---|---|---|
| 34 -3 | 0 | B5.71 | M1.14 | 4 | 1 |
Sunspot regions
Region 12318 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 10 -20 | BXO | N08W08 | |
|
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Region 12320 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 13 -3 | 140 | EAC | S12W25 | |
|
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Solar flares on this day | ||||
| C1.14 M1.14 C4.2 C4.11 C3.86 | ||||
All times in UTC
Latest news
Sunday, 1 February 2026
Complex sunspot region 4366
Monday, 19 January 2026
CME impact! S4 solar radiation storm
Sunday, 18 January 2026
X1.9 solar flare with earth-directed CME
Latest forum messages
AR4366 582Do the high-resolution sunspot counts point to more complex sunspots? 45New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 69X1.9 CME 1352Anomalous sunspots on the sun ? 5
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Space weather facts
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| Last M-flare | 2026/02/02 | M3.3 |
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| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
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| Last 30 days | 117.7 +5.8 |