Another geomagnetic storm 11th Nov 2018

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Carbon60
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Another geomagnetic storm 11th Nov 2018

Post by Carbon60 » Sun Nov 11, 2018 11:23 am

Hi folks,

Another geomagnetic storm (or is that two?) hit on 9th and 10th. They may actually both be part of the same event, originating at the Sun as fast flowing solar wind with a varying magnetic field, sometimes pointing south, linking with our own magnetic field, or pointing north, being deflected away and around the Earth and swinging over the past couple of days at least twice between the two.

Here are my magnetometer data throughout the event(s).
20181111_coronal hole.jpg
20181111_coronal hole.jpg (247.79 KiB) Viewed 743 times
Things seem to have settled down a bit for now, but solar minimum means more regular coronal holes, so it shouldn't be too long before the next storm arrives. Good news for Aurora chaser.

Thanks for looking.

Stu.
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150mm H-alpha Solar telescope with Lunt35 mod
DMK41, Basler acA1920-155
NEQ6 Pro-mount
Fluxgate Magnetometers (1s and 150s Cadence)
More images at http://www.flickr.com/photos/solarcarbon60/

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marktownley
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Re: Another geomagnetic storm 11th Nov 2018

Post by marktownley » Sun Nov 11, 2018 11:36 am

Good record Stu, i'd a couple of alerts come through on my phone these past couple of days too. Your graphic also includes the cycle 25 sunspot that briefly appeared.
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ffellah
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Re: Another geomagnetic storm 11th Nov 2018

Post by ffellah » Sun Nov 11, 2018 12:25 pm

Thank you, Stu. A very interesting graph and informative SPOD ! I am very impressed you can do this kind of monitoring from your home.

Franco :bow

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Re: Another geomagnetic storm 11th Nov 2018

Post by Montana » Mon Nov 12, 2018 12:26 pm

Fantastic!! I saw this first on Spaceweather :hamster: and now a SPOD :hamster:
I wonder why I am not getting any alerts so far this year, especially if Mark is?

Alexandra

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Re: Another geomagnetic storm 11th Nov 2018

Post by marktownley » Mon Nov 12, 2018 7:03 pm

I'm on the lancaster one on my phone (aurora watch UK)
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Re: Another geomagnetic storm 11th Nov 2018

Post by MapleRidge » Mon Nov 12, 2018 11:57 pm

HI Stu...

Great coverage of the storms with the recent posts, and congrats on having the SPOD and Spaceweather references. Well done :bow

Mark, I'm curious to know where the new cycle spot appears on the graph?

Brian
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Re: Another geomagnetic storm 11th Nov 2018

Post by marktownley » Tue Nov 13, 2018 7:08 am

On the little graphic of the suns disk it is the bright region at the 2 o'clock position.
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Re: Another geomagnetic storm 11th Nov 2018

Post by Montana » Tue Nov 13, 2018 8:03 am

Mark, I am on the Lancaster one and the Calsky one and I haven't had any alerts? mmmm

Alexandra

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Re: Another geomagnetic storm 11th Nov 2018

Post by marktownley » Tue Nov 13, 2018 6:06 pm

Montana wrote:
Tue Nov 13, 2018 8:03 am
Mark, I am on the Lancaster one and the Calsky one and I haven't had any alerts? mmmm

Alexandra
We'll have our settings different in the app. I'm on 'minor' & 'UK'.
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Re: Another geomagnetic storm 11th Nov 2018

Post by MapleRidge » Wed Nov 14, 2018 2:36 pm

Hi Mark...

Thanks for clarifying...I was looking for something 'different' on Stuarts's graph that showed the new cycle, but the inset image is what you referred to.

Brian
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