Geomagnetic G4 Solar Storm

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Carbon60
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Geomagnetic G4 Solar Storm

Post by Carbon60 » Sat Sep 09, 2017 6:20 am

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 589 times
Thanks for looking.

Stu.
Lunt LS60THa B1200 PTFT
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/

carlosjackal
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Re: Geomagnetic G4 Solar Storm

Post by carlosjackal » Sat Sep 09, 2017 6:52 pm

Nice one!! I caught the data as well here is the raw of both hits.
strorm12.JPG
strorm12.JPG (144.93 KiB) Viewed 581 times

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Carbon60
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Re: Geomagnetic G4 Solar Storm

Post by Carbon60 » Sun Sep 10, 2017 6:06 am

Excellent! Nice capture.

Looks like it's working well.

Stu.
Lunt LS60THa B1200 PTFT
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: Geomagnetic G4 Solar Storm

Post by marktownley » Sun Sep 10, 2017 9:06 pm

A great record chaps!
Image
http://brierleyhillsolar.blogspot.co.uk/
Solar images, a collection of all the most up to date live solar data on the web, imaging & processing tutorials - please take a look!

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Montana
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Re: Geomagnetic G4 Solar Storm

Post by Montana » Mon Sep 11, 2017 9:10 am

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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Carbon60
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Re: Geomagnetic G4 Solar Storm

Post by Carbon60 » Mon Sep 11, 2017 10:16 am

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.
Lunt LS60THa B1200 PTFT
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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