Viewing archive of Sunday, 20 January 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 48 2 | 0 -1 | B3.14 | C1.66 | 1 |
Sunspot regions
Region 11654 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 11 -7 | 360 -100 | FKO | N07W73 | |
Solar flares on this day | ||||
| C1.65 B9.91 B6.31 B5.28 B4.98 | ||||
Region 11658 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 70 -20 | HSX | S13W19 | |
Region 11660 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 50 | DSO | N11E12 | |
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 979Feb 8-9 CMEs 17Do the high-resolution sunspot counts point to more complex sunspots? 52AR 4371 19AR 4373 3
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Space weather facts
| Last X-flare | 2026/02/04 | X4.3 |
| Last M-flare | 2026/02/05 | M1.1 |
| Last geomagnetic storm | 2026/02/05 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
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| Last 30 days | 126 +20.7 |