Viewing archive of Saturday, 20 August 2016 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 12 -25 | 0 | B1.34 | B6.31 |
Sunspot regions
Region 12573 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 90 | CSO | N04W0* | |
Region 12574 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 70 -20 | HSX | N06W84 | |
|
||||
Region 12576 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 40 -10 | HAX | S11W69 | |
|
||||
Region 12578 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 20 | CRO | N09E07 | |
|
||||
Solar flares on this day | ||||
| B5.84 | ||||
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 506X1.9 CME 1343Anomalous sunspots on the sun ? 4Space Weather Memes 783Do the high-resolution sunspot counts point to more complex sunspots? 44
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| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M6.8 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
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| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 118.3 +3.5 |