Viewing archive of Sunday, 28 April 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 |
|---|---|---|---|---|
| 97 -3 | 0 -2 | B9.86 | C6.34 | 11 |
Sunspot regions
Region 11728 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -2 | 20 | HRX | N19W02 | |
|
||||
Region 11730 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 3 | 140 -10 | DAI | S18W07 | |
|
||||
Region 11731 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 25 8 | 420 | DKC | N09E25 | |
|
||||
Solar flares on this day | ||||
| C2.99 C1.57 C2.76 C2.55 C5.32 C2.57 C5.1 C2.13 C1.91 C4.54 | ||||
Region 11732 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 30 10 | HSX | S17E54 | |
|
||||
Region 11733 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 -1 | 30 | CSO | S17W42 | |
|
||||
Solar flares on this day | ||||
| C6.32 | ||||
All times in UTC
Latest news
Monday, 23 December 2024
M9.0 solar flare with earth-directed CME
Sunday, 8 December 2024
X2.2 solar flare, SDO outage
Thursday, 21 November 2024
Major far side eruption, S1 radiation storm
Latest forum messages
Ask your obscure/"stupid" space weather questions. 1232024/12/23 AR13932 M8.9 & M4.1 associated CMEs 13jsoc 73AR 13932 73Changelog/Featurelog 163
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 | 2024/12/08 | X2.2 |
| Last M-flare | 2024/12/24 | M1.0 |
| Last geomagnetic storm | 2024/12/17 | Kp5+ (G1) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| November 2024 | 152.5 -13.9 |
| December 2024 | 115.2 -37.3 |
| Last 30 days | 120.1 -38.2 |