Viewing archive of Saturday, 20 September 2025 - 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 |
|---|---|---|---|---|
| 155 -3 | 2 2 | B9.43 | C3.43 | 5 |
Sunspot regions
Region 14216 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 6 -5 | 90 10 | CSO | N10W45 | |
|
||||
Solar flares on this day | ||||
| C1.5 C1.3 | ||||
Region 14217 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 9 1 | 230 10 | EAO | S15W06 | |
|
||||
Region 14219 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 1 | 10 | AXX | N24W86 | |
|
||||
Solar flares on this day | ||||
| C2.6 | ||||
Region 14220 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 19 -2 | 290 50 | DHI | S19W41 | |
|
||||
Solar flares on this day | ||||
| C1.6 C3.4 | ||||
Region 14221 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 -5 | 60 -10 | CSO | N03W13 | |
|
||||
Region 14222 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 10 | AXX | N13W35 | |
|
||||
Region 14223 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -4 | 40 | CAO | S15E06 | |
|
||||
Region 14224 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 -2 | 30 10 | CAO | S10W13 | |
|
||||
Region 14225 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 4 1 | 210 30 | CAO | N10E26 | |
|
||||
Region 14226 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 2 | 30 | CSO | S11E67 | |
|
||||
Region 14227 |
||||
|---|---|---|---|---|
| Number of sunspots |
Size | Class Magn. | Class Spot | Location |
| 3 | 30 | CAO | S17E67 | |
|
||||
All times in UTC
Latest news
Wednesday, 13 May 2026
Coronal hole faces Earth
Monday, 30 March 2026
X1.5 solar flare
Tuesday, 17 March 2026
M2.7 solar flare, CME arrival possible
Latest forum messages
Incoming & Unnumbered Active Regions 414Current Farside Activity 609Coronal Hole 53 105Unspecified geomagnetic activity 275AR4446 (including AR4448/4449) 27
More topicsSupport SpaceWeatherLive.com!
A lot of people come to SpaceWeatherLive to follow the Solar activity or if there is a chance to see the aurora, but with more traffic comes higher costs to keep the servers online. If you like SpaceWeatherLive and want to support the project you can choose a subscription for an ad-free site or consider a donation. With your help we can keep SpaceWeatherLive online!
Space weather facts
| Last X-flare | 2026/04/24 | X2.5 |
| Last M-flare | 2026/05/22 | M2.3 |
| Last geomagnetic storm | 2026/05/16 | Kp6- (G2) |
| Spotless days | |
|---|---|
| Last 365 days | 3 days |
| 2026 | 3 days (2%) |
| Last spotless day | 2026/02/24 |
| Monthly mean Sunspot Number | |
|---|---|
| April 2026 | 79.3 -6.6 |
| May 2026 | 89.2 +9.9 |
| Last 30 days | 95.5 +2.6 |
This day in history*
Aurora on this day in history
No observations submitted for this day in history. If you've observed the aurora and you have some amazing photos to show off, submit your observations now!
Submit your aurora observation