Viewing archive of Friday, 22 October 1999 - 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 |
|---|---|---|---|---|
| 153 -1 | 2 2 | C1.57 | C6.9 | 4 |
Sunspot regions
Region 8728 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 80 -30 | HAX | N22W94 | |
Region 8731 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 -17 | 320 -120 | EAI | N12W67 | |
Region 8732 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 -8 | 160 -10 | FAI | N21W76 | |
Solar flares on this day | ||||
| C6.9 C4.87 | ||||
Region 8734 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -4 | 20 10 | HSX | N18W59 | |
Region 8737 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 28 11 | 170 100 | EAI | S15W12 | |
Region 8738 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 1 | 20 10 | CSO | N17E13 | |
Region 8739 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 8 5 | 130 80 | DAO | S12E58 | |
Solar flares on this day | ||||
| C3.97 | ||||
All times in UTC
Latest news
Saturday, 4 January 2025
Sunspot region 3947, X-class solar flares
Monday, 30 December 2024
Two earth-directed coronal mass ejections
Sunday, 29 December 2024
Strong G3 geoamagnetic storm watch issued
Latest forum messages
AR 3947 164Strong far side CME 359AR13939 2025/01/04 CME 51correcting common misconceptions about space weather 2606/01/2025 M 4.87 flare with a faint CME 2
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!
Space weather facts
| Last X-flare | 2025/01/04 | X1.85 |
| Last M-flare | 2025/01/06 | M4.87 |
| Last geomagnetic storm | 2025/01/04 | Kp5 (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| December 2024 | 154.5 +2 |
| January 2025 | 175.2 +20.7 |
| Last 30 days | 150.7 +26.1 |