Sunspot region AR11157

Number of
sunspots
Size Class Magn. Class Spot Location
2011/02/09 3 10 CRO N22E36
2011/02/10 7 20 CSO N22E22
2011/02/11 7 20 CRO N22E08
2011/02/12 2 10 BXO N18W04
2011/02/13 5 30 CRO N18W18
2011/02/14 7 40 DSO N18W30
2011/02/15 9 40 DSO N19W43
2011/02/16 9 50 DAO N19W57
2011/02/17 2 10 BXO N19W70
B
2

The top 2 solar flares from sunspot region 11157

Start Maximum End
1B6.052011/02/0905:4205:4705:54
2B4.052011/02/0919:5720:0420:11
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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