Sunspot 1675 generated impulsive M1.9 solar flare
An impulsive solar flare measuring M1.9 erupted from Region 1675 on February 17, 2013. The event started at 15:45, peaked at 15:50 UTC and ended at 15:52 UTC. A 10cm Radio Burst was recorded from 15:47 – 15:51 UTC.
Space Weather Message Code: SUM10R
Serial Number: 572
Issue Time: 2013 Feb 17 1601 UTC
SUMMARY: 10cm Radio Burst
Begin Time: 2013 Feb 17 1547 UTC
Maximum Time: 2013 Feb 17 1547 UTC
End Time: 2013 Feb 17 1551 UTC
Duration: 4 minutes
Peak Flux: 340 sfu
Latest Penticton Noon Flux: 103 sfu
Description: A 10cm radio burst indicates that the electromagnetic burst associated with a solar flare at the 10cm wavelength was double or greater than the initial 10cm radio background. This can be indicative of significant radio noise in association with a solar flare. This noise is generally short-lived but can cause interference for sensitive receivers including radar, GPS, and satellite communications.
Active regions, solar prominences and amazing filament seen at SDO's AIA 304 (Credit: SDO)
STEREO spacecrafts and SOHO's LASCO coronographs show earlier activity, prior to M 1.9 solar flare on February 17, 2013 (Credit: STEREO/SOHO)
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