Viewing archive of Tuesday, 1 December 2020 - 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 |
|---|---|---|---|---|
| 46 -16 | 1 1 | B3.38 | C3.86 | 3 |
Sunspot regions
Region 12785 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -10 | HSX | S22W49 | |
|
||||
Region 12786 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -5 | 430 -160 | CKO | S15W32 | |
|
||||
Solar flares on this day | ||||
| B5.6 B5.2 B9.2 C1.4 | ||||
Region 12787 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N30E10 | |
|
||||
Solar flares on this day | ||||
| C1.2 | ||||
Region 12788 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 50 40 | AXX | S27E11 | |
|
||||
Region 12790 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 100 | CSO | S23E61 | |
|
||||
Solar flares on this day | ||||
| C3.8 B5.4 B6.1 | ||||
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
What, no CH/HSS thread? 52AR4374 20Incoming & Unnumbered Active Regions 168Current Farside Activity 382Filaments and prominences 489
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2026/02/04 | X4.21 |
| Last M-flare | 2026/02/16 | M2.4 |
| Last geomagnetic storm | 2026/02/16 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| January 2026 | 112.6 -11.4 |
| February 2026 | 106.5 -6.1 |
| Last 30 days | 124.3 +22.3 |