Viewing archive of Friday, 28 July 2023 - 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 |
|---|---|---|---|---|---|
| 148 -6 | 1 -2 | C1.68 | M4.11 | 9 | 1 |
Sunspot regions
Region 13376 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 5 | 140 | DAO | N22W0* | |
|
||||
Solar flares on this day | ||||
| C7.4 C6.7 C3.3 M4.1 | ||||
Region 13377 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 200 -20 | DSO | S08W74 | |
|
||||
Region 13379 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 -6 | 180 -20 | HSX | N14W50 | |
|
||||
Region 13380 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 14 7 | 200 90 | CAI | S12W02 | |
|
||||
Solar flares on this day | ||||
| C3.8 | ||||
Region 13382 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N19W46 | |
|
||||
Region 13384 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -1 | 10 -10 | AXX | S15E15 | |
|
||||
Region 13385 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | S15W49 | |
|
||||
Region 13386 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 18 7 | 360 180 | DKI | N12E33 | |
|
||||
Solar flares on this day | ||||
| C2.9 | ||||
Region 13387 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 2 | 120 60 | CAO | N20E52 | |
|
||||
Solar flares on this day | ||||
| C2.2 | ||||
Region 13388 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 60 30 | CSO | S23E48 | |
|
||||
Region 13389 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 40 20 | HSX | S09E58 | |
|
||||
Region 13390 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 20 | HRX | S18E70 | |
|
||||
Solar flares on this day | ||||
| C3.0 C7.7 C5.9 | ||||
All times in UTC
Latest news
Friday, 17 May 2024
Let's compare! Halloween 2003 VS May 2024 Solar Storms!
Friday, 17 May 2024
Coronal mass ejection impact, New website feature!
Wednesday, 15 May 2024
More X-flares!
Latest forum messages
AR3664 1079Incoming Active Regions 374Another interesting video 3AR3685 77Latest SC25 Predictions 128
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 | 2024/05/15 | X2.9 |
| Last M-flare | 2024/05/19 | M1.6 |
| Last geomagnetic storm | 2024/05/17 | Kp6 (G2) |
| Spotless days | |
|---|---|
| Last spotless day | 2022/06/08 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2024 | 136.5 +31.6 |
| May 2024 | 157.5 +21 |
| Last 30 days | 168.7 +50.9 |