Geomagnetic G4 Solar Storm

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Carbon60
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Geomagnetic G4 Solar Storm

Post by Carbon60 »

The recent X9.3 solar flare produced a significant coronal mass ejection which sped across the void at >700 km/s slamming into Earth's magnetosphere at midnight 7th/8th September. This was followed 12 hrs later with a second wave. Both were significantly geoeffective, each separately creating a G4 solar storm with a planetary K-index (Kp) of magnitude 8 (severe) on a 0-9 scale http://www.spaceweather.com/glossary/kp.html.

The impacts produced significant responses on my magnetometer here in the UK as can be seen below, although, owing to a technical glitch I missed the initial pulse (such is the law of Murphy), but my computer was up and running to capture the second wave yesterday. This is the largest geomagnetic storm event I've recorded!
20170909_G4 Solar Storm.jpg
20170909_G4 Solar Storm.jpg (181.68 KiB) Viewed 3547 times
Thanks for looking.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Geomagnetic G4 Solar Storm

Post by carlosjackal »

Nice one!! I caught the data as well here is the raw of both hits.
strorm12.JPG
strorm12.JPG (144.93 KiB) Viewed 3539 times


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Re: Geomagnetic G4 Solar Storm

Post by Carbon60 »

Excellent! Nice capture.

Looks like it's working well.

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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Re: Geomagnetic G4 Solar Storm

Post by marktownley »

A great record chaps!


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Re: Geomagnetic G4 Solar Storm

Post by Montana »

Great data all round!!! :bow :bow :hamster:
Stu I bet I can imagine the words coming out when you found the technical glitch missed the huge initial pulse ;)

Alexandra


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Re: Geomagnetic G4 Solar Storm

Post by Carbon60 »

Absolutely, Alexandra. I was so mad. I took the data on the day of the X9.3 flare and for some reason the system locked up without me realising until it was too late! Just my luck.

Still, in the grand scheme of things (Irma and all that), losing a bit of data is trivial. Annoying, nevertheless and you're right about the expletives ;)

Stu.


H-alpha, WL and Ca II K imaging kit for various image scales.
Fluxgate Magnetometers (1s and 150s Cadence).
Radio meteor detector.
More images at http://www.flickr.com/photos/solarcarbon60/
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