Sunspot region AR11730

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/24 2 10 BXO S19E47
2013/04/25 7 60 DAO S18E34
2013/04/26 7 100 DAO S18E20
2013/04/27 15 150 DSC S18E07
2013/04/28 18 140 DAI S18W07
2013/04/29 19 210 EAI S18W20
2013/04/30 24 180 EAC S18W34
2013/05/01 12 100 EAI S18W48
2013/05/02 5 70 CSO S18W62
2013/05/03 1 100 HSX S16W81
2013/05/04 1 80 HAX S16W93
2013/05/05 1 80 HAX S16W0*
CM
131

The top 10 solar flares from sunspot region 11730

Start Maximum End
1M1.382013/05/0101:2001:2601:30
2C8.452013/04/2920:2220:3220:44
3C7.912013/05/0107:2307:2907:34
4C5.852013/05/0101:4701:5502:00
5C5.182013/04/3019:2919:5920:17
6C3.712013/04/3020:4320:4820:54
7C3.392013/05/0118:4218:5119:09
8C3.142013/04/3001:5301:5902:06
9C2.592013/04/3008:3908:4508:55
10C2.492013/05/0300:3100:3600:40
Currently there's no noteworthy space weather

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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


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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

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