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Home Forums Radio Astronomy Group X class solar flare recorded

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  • #9194
    Clive Inglis
    Participant
    Topics: 17
    Replies: 41

    X2.0 solar flare recorded yesterday around 11:00 by the Flamsteed VLF Receiver (see VLF plot under Observing). Could the source be the large sunspot/s observed on Saturday?

    #9195
    Mike Meynell
    Moderator
    Topics: 119
    Replies: 756

    X2.0 solar flare recorded yesterday around 11:00 by the Flamsteed VLF Receiver (see VLF plot under Observing). Could the source be the large sunspot/s observed on Saturday?

    That’s a great (inverse) correlation with the NOAA GOES data…

    Yes, this is definitely coming from the active region where we can see the large sunspot. In fact, there have now been 6 X-class flares from this region… the latest at 14:47 this afternoon.

    The flare picked up by the Flamsteed VLF receiver is the fifth in the sequence, peaking at 10:56 GMT on Sunday morning. And here it is, in all it’s glory:

    • This reply was modified 5 years, 1 month ago by Mike Meynell.
    #9198
    Andy Sawers
    Moderator
    Topics: 127
    Replies: 602

    And this from Space.com

    #9200
    Mike Meynell
    Moderator
    Topics: 119
    Replies: 756

    It’s really interesting to note that not one of the X-class flares has produced a notable coronal mass ejection (CME). A real shame for aurora watchers.

    It would seem that the layout of the active region means that it’s not releasing plasma. I’m not sure I’ve seen such an active region, with so many X-class flares, and not one noteworthy CME to date.

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