Viewing archive of Wednesday, 21 August 2013 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 149 34 | 3 3 | B7.14 | C3.24 | 5 |
Sunspot regions
Region 11817 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 60 | CSO | S19W0* | |
|
||||
Region 11818 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 210 -40 | HAX | S05W76 | |
|
||||
Solar flares on this day | ||||
| C1.64 | ||||
Region 11820 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 10 5 | 60 50 | DAI | S12W34 | |
|
||||
Region 11823 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 1 | 120 -50 | CSO | S08E03 | |
|
||||
Solar flares on this day | ||||
| C1.8 | ||||
Region 11824 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -6 | 50 -70 | CAO | S12W53 | |
|
||||
Region 11825 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 12 -8 | 80 10 | DAO | N16W40 | |
|
||||
Solar flares on this day | ||||
| C1.05 | ||||
Region 11827 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 7 -1 | 160 -140 | DAO | S18E44 | |
|
||||
Region 11828 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 60 30 | CAO | N16E57 | |
|
||||
Solar flares on this day | ||||
| C3.19 | ||||
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
AR13883 2024/11/04 CME 45sun goes blank 72Space Weather Memes 566Incoming & Unnumbered Active Regions 1209AR13889 143
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 | 2024/11/13 | M1.7 |
| 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 | 166 -0.4 |
| Last 30 days | 163.2 +18.4 |