Sunspot region AR11734

Number of
sunspots
Size Class Magn. Class Spot Location
2013/04/29 4 90 DSO S19E65
2013/04/30 9 560 DKI S19E51
2013/05/01 6 550 DKO S19E37
2013/05/02 6 550 DKO S19E23
2013/05/03 15 550 EKO S19E10
2013/05/04 22 590 EKI S17E04
2013/05/05 19 380 EKI S18W09
2013/05/06 17 370 EKI S18W23
2013/05/07 17 370 EKI S18W37
2013/05/08 12 350 DKO S18W51
2013/05/09 13 400 HKX S18W64
2013/05/10 2 310 HKX S18W76
2013/05/11 2 310 HKX S19W88
2013/05/12 2 310 HKX S19W0*
2013/05/13 2 310 HKX S19W0*
C
16

The top 10 solar flares from sunspot region 11734

Start Maximum End
1C4.592013/05/0516:0716:1116:17
2C4.092013/05/0220:4120:4620:49
3C3.52013/05/0403:1203:1803:25
4C3.292013/05/0221:5021:5722:04
5C2.92013/05/0405:4405:5806:01
6C2.472013/05/0314:5815:0315:07
7C2.412013/05/0223:0323:0923:15
8C2.342013/05/0708:1608:2308:33
9C2.222013/05/1116:2216:4416:50
10C2.052013/05/0321:0621:1121:18
The maximum X-ray flux of the past two hours is:
M6.17

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Latest alerts

13:39 UTC - Solar flare

Strong M6.17 flare from sunspot region 3981

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13:21 UTC - Radio Blackout

Moderate R2 radio blackout in progress (≥M5 - current: M6.1)


13:18 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M3.66)


09:33 UTC - Solar flare

Moderate M1.42 flare

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09:15 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.25)


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Space weather facts

Last X-flare2025/01/04X1.85
Last M-flare2025/02/03M1.4
Last geomagnetic storm2025/01/04Kp5 (G1)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
December 2024154.5 +2
February 2025150.5 -4
Last 30 days142.5 +0.6

This day in history*

Solar flares
12025M8.7
22001M3.53
32025M3.1
42025M2.5
52025M1.4
DstG
11992-170G4
21969-161G2
31982-82G1
41989-74G2
52022-66G1
*since 1994

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