Viewing archive of Friday, 21 January 2022 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [MDI, AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux |
|---|---|---|---|
| 23 -37 | 0 -1 | B1.42 | B9.7 |
Sunspot regions
Region 12927 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 9 | AXX | S21W92 | |
|
||||
Region 12929 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 80 | DAO | N08W0* | |
|
||||
Solar flares on this day | ||||
| B9.5 B2.7 B3.9 B5.3 B2.3 | ||||
Region 12930 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 100 | DAO | N22W0* | |
|
||||
Region 12933 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -2 | 60 -20 | HAX | S20W63 | |
|
||||
Region 12934 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 140 50 | HSX | S24E54 | |
|
||||
Solar flares on this day | ||||
| B4.8 | ||||
All times in UTC
Latest news
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Sunday, 1 February 2026
Complex sunspot region 4366
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Space weather facts
| Last X-flare | 2026/03/30 | X1.5 |
| Last M-flare | 2026/04/04 | M1.0 |
| Last geomagnetic storm | 2026/04/03 | Kp7- (G3) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (3%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| March 2026 | 85.9 +7.7 |
| April 2026 | 121 +35.1 |
| Last 30 days | 101.1 +44.7 |
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