Viewing archive of Friday, 12 March 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 | M |
|---|---|---|---|---|---|
| 98 3 | 0 -1 | B7.14 | M1.35 | 14 | 1 |
Sunspot regions
Region 8477 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -2 | 200 40 | CSO | S29W58 | |
Region 8483 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 70 40 | DAO | S19W74 | |
Region 8484 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 4 | 120 -20 | DAO | S23E41 | |
Region 8485 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 22 7 | 290 40 | EAO | N22E27 | |
Solar flares on this day | ||||
| C1.99 C1.5 C1.69 C1.5 C1.24 | ||||
Region 8487 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 20 | BXO | N17E63 | |
Solar flares on this day | ||||
| C3.34 C2.71 C1.56 C1.11 M1.35 C4.61 C1.96 | ||||
All times in UTC
Latest news
Monday, 11 November 2024
Coronal hole faces Earth
Friday, 1 November 2024
X2.0 solar flare
Wednesday, 9 October 2024
X1.8 solar flare, severe geomagnetic storm watch
Latest forum messages
sun goes blank 42AR13889 135AR13883 2024/11/04 CME 43Incoming & Unnumbered Active Regions 1204AR 3878 176
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 | 2024/11/06 | X2.39 |
| Last M-flare | 2024/11/11 | M1.3 |
| Last geomagnetic storm | 2024/11/10 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| October 2024 | 166.4 +25 |
| November 2024 | 175.7 +9.3 |
| Last 30 days | 166.1 +21.7 |