Viewing archive of Thursday, 28 July 2011 - Sunspot regions
Courtesy of SDO, SOHO (NASA) and the [AIA, EVE, and/or HMI] consortium.
| Sunspot number | New regions | Background flux | Maximum flux | C |
|---|---|---|---|---|
| 84 30 | 2 1 | B7.71 | C7.67 | 16 |
Sunspot regions
Region 11260 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 15 7 | 110 -10 | DSI | N18E30 | |
Solar flares on this day | ||||
| C3.66 C7.49 C3.27 C2.29 C3.85 C1.29 C2.14 C7.67 C3.54 C5.1 | ||||
Region 11261 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 3 | 250 50 | DKO | N15E60 | |
Solar flares on this day | ||||
| C2.28 | ||||
Region 11262 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 20 | DSO | N16W38 | |
Solar flares on this day | ||||
| C2.73 | ||||
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
Space Weather Memes 569Unspecified geomagnetic activity 1637AR13883 2024/11/04 CME 45sun goes blank 72Incoming & Unnumbered Active Regions 1209
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 |