2nd CME has arrived! Strong Geomagnetic Response

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Carbon60
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2nd CME has arrived! Strong Geomagnetic Response

Post by Carbon60 » Sat Sep 13, 2014 6:59 am

The second CME, this one from the X1.6 flare which exploded on September 10th, has arrived. The geomagnetic response has been quite significant (G3 storm), sparking beautiful aurora in northern, southern and mid latitudes.

This is the strongest geomagnetic response so far recorded on my magnetometers. Now temperature stabilised, my data appear to correlate very well with professional systems operated as part of the INTERMAGNET network :D
20140912 Double CME.jpg
20140912 Double CME.jpg (117.19 KiB) Viewed 1369 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/

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by swisswalter » Sat Sep 13, 2014 7:05 am

Hi Stuart

another great catch, congratulations
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

from 7 am - 7 pm http://www.nanosys.ch

from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa ;)

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by marktownley » Sat Sep 13, 2014 7:18 am

Very impressive Stu! Too many lights down here in Brum for even looking for anything less than kp8/9.
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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by Derek Klepp » Sat Sep 13, 2014 11:26 am

Thanks Stu

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by swisswalter » Sat Sep 13, 2014 3:33 pm

Hi Stuart

by the way, I find your plot showes many more details (resolution) as the "chambon la foret" one . For me you are the men "chapeaux"
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

from 7 am - 7 pm http://www.nanosys.ch

from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa ;)

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by Montana » Sat Sep 13, 2014 6:09 pm

First class work Stu! a pity it is cloudy here, keep us alerted for more auroras though :)

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by thesmiths » Sun Sep 14, 2014 2:00 pm

Stu: as Walter suggests, you seem to have slightly better signal to noise than the "Cambon la Foret" measurements, at least on the time scale of 24 hours. Do you have better or worse temporal resolution (i.e. fast time response)?

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by Carbon60 » Sun Sep 14, 2014 3:27 pm

Thanks for your comments and encouragement, everyone.

In relation to resolution, I'm capturing data every 2.5 minutes and show these in general, but I also capture data every second and store these data in my records should they be of any use at a later date. I also use these 'hi-res' data for my 'sonification' work to render the data audible, so that we can 'hear' the effects of the solar wind on our magnetosphere.

INTERMAGNET data are generally taken/displayed at 1 minute intervals, although they also capture data every second. Some great background information can be found at http://www.ipgp.fr/~chulliat/papers/Chu ... _2009b.pdf

Thanks for your interest.

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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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by alex » Sun Sep 14, 2014 3:39 pm

Great catch Stu!

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by swisswalter » Mon Sep 15, 2014 3:45 am

Hi Stuart

thank you for that additional information
Only stardust in the wind, some fine and some less fine scopes, filters and adapters as well. Switzerland 47 N, 9 E, in the heart of EUROPE :)

from 7 am - 7 pm http://www.nanosys.ch

from 7.01 pm - 6.59 am http://www.wastronomiko.com some times vice versa ;)

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Re: 2nd CME has arrived! Strong Geomagnetic Response

Post by p_zetner » Sat Sep 20, 2014 5:40 pm

Terrific, Stu!

Thanks for the informative presentation. I wish I'd had cloudless skies to appreciate those aurorae. They can be quite spectacular here, but I've been too lazy to take pictures!

Cheers.
Peter.

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