Viewing archive of Thursday, 2 September 2021 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 33 -2 | 1 1 | B1.49 | C1.28 | 1 |
Sunspot regions
Region 12859 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N18W87 | |
|
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Region 12860 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -8 | 220 | DAI | S27W78 | |
|
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Solar flares on this day | ||||
| B2.8 C1.2 | ||||
Region 12863 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 | 70 | CAO | S16E28 | |
|
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Solar flares on this day | ||||
| B3.9 B4.0 B2.0 B3.1 B3.6 | ||||
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 552Anomalous sunspots on the sun ? 5New satellites - Proba-3, PUNCH, SWFO-L1, GOES-U/19 67X1.9 CME 1347JHelioviewer Tips and Settings 39
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Space weather facts
| Last X-flare | 2026/02/02 | X1.6 |
| Last M-flare | 2026/02/02 | M2.4 |
| Last geomagnetic storm | 2026/01/28 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2025 | 124 +32.2 |
| February 2026 | 97 -27 |
| Last 30 days | 118.3 +3.5 |