Viewing archive of Sunday, 21 January 2024 - 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 |
|---|---|---|---|---|
| 150 6 | 0 -1 | C1.31 | C7.11 | 16 |
Sunspot regions
Region 13545 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -1 | 120 -10 | HSX | S06W91 | |
|
||||
Region 13549 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 170 -10 | HSX | S17W56 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 13553 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 -20 | HRX | N05W38 | |
|
||||
Region 13555 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 -1 | 110 -40 | CSO | S09W07 | |
|
||||
Region 13556 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 70 -20 | HAX | N17W03 | |
|
||||
Region 13559 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 6 | 300 80 | FKC | N29E18 | |
|
||||
Solar flares on this day | ||||
| C4.0 C5.3 C6.3 C2.2 C2.0 C2.5 C2.2 C2.9 C3.9 C5.8 C5.7 C2.7 C3.7 | ||||
Region 13560 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 2 | 60 20 | CRI | S11E21 | |
|
||||
Region 13561 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 2 | 90 10 | DRI | S16W14 | |
|
||||
Solar flares on this day | ||||
| C6.6 | ||||
Region 13562 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 110 80 | DAO | S09W29 | |
|
||||
All times in UTC
Latest news
Monday, 24 March 2025
Coronal hole faces Earth
Saturday, 22 March 2025
Strong G3 geomagnetic storm watch for 23 March
Wednesday, 5 March 2025
Coronal hole faces Earth
Latest forum messages
Incoming & Unnumbered Active Regions 1644AR4043 17Large Coronal Hole 25 152Photographing auroras 36Aurora photography hints for those of us with smartphones 43
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Sun's activity or if there is aurora to be seen, but with more traffic comes higher server costs. Consider a donation if you enjoy SpaceWeatherLive so we can keep the website online!
Latest alerts
09:15 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 08:59 UTC
06:27 UTC - Hemispheric Power Index
The OVATION model predicts the Hemispheric Power Index to reach 54GW at 07:01 UTC
06:00 UTC - Geomagnetic activity
Minor G1 geomagnetic storm (Kp5) Threshold Reached: 05:51 UTC
00:57 UTC - Solar flare
Moderate M2.05 flare
00:33 UTC - Radio Blackout
Minor R1 radio blackout in progress (≥M1 - current: M1.71)
Space weather facts
| Last X-flare | 2025/02/23 | X2.0 |
| Last M-flare | 2025/03/27 | M2.0 |
| Last geomagnetic storm | 2025/03/26 | Kp6+ (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| February 2025 | 154.6 +17.6 |
| March 2025 | 132.3 -22.3 |
| Last 30 days | 131.2 -21.8 |