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Viewing archive of Thursday, 12 June 2014

Solar activity

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GOES X-ray satellite 1 minute solar X-rays average in the 1-8 Ångström passband
The chart has 2 X axes displaying Time, and navigator-x-axis.
The chart has 2 Y axes displaying values, and navigator-y-axis.
2 hours6 hours24 hours©NOAA SWPC - SpaceWeatherLive.com
End of interactive chart.
The operational data in the graph above has been modified to remove the scaling factor that has been applied by the Space Weather Prediction Center (SWPC). Because of the SWPC scaling factor in the operational data, flare indices for the operational data were reported as 42% smaller than for the science quality data. The scaling factor has also been removed from the solar flare list to reflect the true physical units.
SWPC
The archive is not available for this date.

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The solar wind speed is currently moderately high (533.21 km/sec.)
The maximum X-ray flux of the past two hours is:
M1.33

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Some photos from the G4 11/12/2025! 1Sunspot region 4274 787AR4274 X4.0 CME discussion 17AR 14274 CMES (featuring X5 full halo) 1409Aurora photography hints for those of us with smartphones 75
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Latest alerts

21:51 UTC - Solar flare

Moderate M1.33 flare from sunspot region 4274

alert

21:36 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.33)

20:30 UTC - Solar flare

Moderate M1.37 flare from sunspot region 4274

alert

20:15 UTC - Radio Blackout

Minor R1 radio blackout in progress (≥M1 - current: M1.37)

X4.0 solar flare

A X4.0 (R3-strong) solar flare peaked at 08:30 UTC this morning. It was of course departing sunspot region 4274 which has been the source of so many solar flares and even geomagnetic storms this past week that provided the fireworks.

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Space weather facts

Last X-flare2025/11/14X4.0
Last M-flare2025/11/14M1.3
Last geomagnetic storm2025/11/13Kp7+ (G3)
Spotless days
Last spotless day2022/06/08
Monthly mean Sunspot Number
October 2025114.6 -15.2
November 2025100.3 -14.3
Last 30 days98.1 -36.4

This day in history*

Solar flares
12025X4.0
21999X1.15
31999M8.06
42005M5.58
51999M4.11
DstG
11960-167G3
21998-109G2
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*since 1994

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