Viewing archive of Wednesday, 27 October 2021 - 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 |
|---|---|---|---|---|
| 91 -4 | 0 -1 | B5.81 | C8.51 | 17 |
Sunspot regions
Region 12886 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 90 -10 | HSX | S20W54 | |
|
||||
Region 12887 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 26 6 | 250 -120 | DHI | S27E05 | |
|
||||
Solar flares on this day | ||||
| C1.0 C2.9 C3.1 C8.6 C1.5 B7.4 C2.8 C1.1 C1.6 C1.1 | ||||
Region 12888 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | S12E26 | |
|
||||
Region 12889 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 2 | 40 20 | BXO | S23E31 | |
|
||||
Solar flares on this day | ||||
| C1.7 C2.3 | ||||
Region 12890 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -1 | 30 -10 | BXO | S19W39 | |
|
||||
Region 12891 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 | 250 | CAO | N19E66 | |
|
||||
Solar flares on this day | ||||
| C2.1 C1.4 C2.2 C2.2 | ||||
Latest news
Monday, 13 May 2024
M6.6 solar flare with earth-directed CME
Sunday, 12 May 2024
Small CME impact, Record visitor amount
Saturday, 11 May 2024
Strongest geomagnetic storm since 2003, X5.8 solar flare
Latest forum messages
Space Weather Memes 354Could Cycle 25 be categorized as "historical"? 9AR 3676 23May 2024 Geomagnetic Storms from AR 13664 (2) 280Latest SC25 Predictions 125
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 | 2024/05/12 | X1.02 |
| Last M-flare | 2024/05/13 | M1.0 |
| Last geomagnetic storm | 2024/05/12 | Kp7 (G3) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 144.3 +7.8 |
| Last 30 days | 175.2 +82.9 |