Viewing archive of Saturday, 28 February 2015 - Sunspot regions
It appears that the image of the visible solar disk for this day in history is missing.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 70 12 | 0 -1 | B6.29 | C8.08 | 8 |
Sunspot regions
Region 12290 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -2 | 30 -20 | CRO | N19W50 | |
|
||||
Solar flares on this day | ||||
| C1.52 C3.16 C2.12 | ||||
Region 12293 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 8 | 90 80 | DAC | N06E29 | |
|
||||
Solar flares on this day | ||||
| C1.34 | ||||
Region 12294 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 | 80 | DAI | S14W14 | |
|
||||
Solar flares on this day | ||||
| C3.61 C1.65 C8.07 | ||||
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
New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 71X1.9 CME 1358AR4366 605Do the high-resolution sunspot counts point to more complex sunspots? 45Anomalous sunspots on the sun ? 5
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M2.5 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
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| February 2026 | 97 -27 |
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