SpaceWeatherLive .com
Real-time auroral and solar activity

Sunspot region AR11728

Number of
sunspots		 Size Class Magn. Class Spot Location
2013/04/23 2 40 CSO N19E62
2013/04/24 1 60 HSX N19E48
2013/04/25 1 50 HSX N19E37
2013/04/26 2 60 HSX N19E24
2013/04/27 3 20 HRX N19E11
2013/04/28 1 20 HRX N19W02
2013/04/29 1 20 HRX N19W16
2013/04/30 1 20 HRX N19W30
2013/05/01 1 10 AXX N19W44
2013/05/02 1 10 AXX N19W58
2013/05/03 1 10 AXX N19W72
2013/05/04 2 10 BXO N20W85
2013/05/05 2 10 BXO N20W99
Back to top
Currently there's no noteworthy space weather

Latest news

Latest forum messages

AR4048 21AR4043 48Coronal holes 44AR4046 129Incoming & Unnumbered Active Regions 1658
More topics

Support 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!

Donate SpaceWeatherLive Pro
Support SpaceWeatherLive with our merchandise
Check out our merchandise

Latest alerts

02:09 UTC - Solar flare

Moderate M1.54 flare from sunspot region 4048

alert

01:42 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.24)

Saturday, 29 March 2025
23:21 UTC - Solar flare

Moderate M1.91 flare from sunspot region 4048

alert

22:51 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.1)

21:57 UTC - Solar flare

Moderate M1.45 flare from sunspot region 4048

alert

Get instant alerts!

Space weather facts

Last X-flare2025/03/28X1.1
Last M-flare2025/03/30M1.5
Last geomagnetic storm2025/03/27Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
February 2025154.6 +17.6
March 2025127.5 -27.1
Last 30 days127.5 -24.7

This day in history*

Solar flares
12022X1.38
22024M9.4
32024M9.3
42023M5.41
52000M4.97
DstG
11990-187G4
21957-107G2
31979-104G1
41989-103G3
51988-88G2
*since 1994

Social networks