CME from AR2297 Arrives- Magnetometer Response

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CME from AR2297 Arrives- Magnetometer Response

Post by Carbon60 »

Hi All,

On March 15th AR2297 erupted and a coronal mass ejection (CME) was flung into space. This morning at 04:46 it arrived at Earth as a strong sharp spike in my magnetometer data. The event was too fast to be recorded with any degree of accuracy at 2.5 minute cadence (the usual rate at which I take readings), but fortunately not too fast to be captured using my hi-resolution recorder operating each second.

The chart below illustrates the speed of this transition and using LASCO C3 image data I've estimated the CME's speed to be around 1.9 million miles per hour (850Km/s). This is a long way short of the fastest CMEs ever recorded (up to 3,500 km/s), but the magnetic impact response is one of the fastest I've seen.
CME_20150317.jpg
CME_20150317.jpg (149.41 KiB) Viewed 5505 times
This might just be the first wave and more of this CME may yet follow......we'll see.

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: CME from AR2297 Arrives- Magnetometer Response

Post by Derek Klepp »

Thanks Stu will this mean more Aurora.


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by grimble_cornet »

Fantastic capture Stuart - just what we were waiting for :bow :beanie: :bow

I had been hoping for some fun after seeing the propagation event but hadn't expected it to be so fast moving :o
As you suggested, my 2.5 minute cadence didn't capture the spike as cleanly as your 1s one (guess what I will be setting up after the event) :cry:
However.................. there are more bursts following on:
CME 17th March 2015.jpg
Best wishes,

Mike


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by Montana »

Exciting stuff guys, check this out, we might be in for a good night :hamster: :hamster: :hamster:

http://www.aurora-service.eu/aurora-forecast/

Alexandra


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by grimble_cornet »

Gets better and better:
Magnetic Storm 1800 17th March 2015.jpg

This is a 1 second cadence I started after seeing Stuart's post - look forward to seeing what the Master picked up with his 'original' :bow

Thanks for getting me hooked on this project Stuart - loads of fun even without the sun being visible :bow2


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by marktownley »

Excellent ! Definitely worth keeping an eye out for aurora tonight...


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by Carbon60 »

Still looking very promising!
CME_20150317_Kp8.jpg
CME_20150317_Kp8.jpg (118.74 KiB) Viewed 5476 times
Glad you're enjoying it Mike.

Alexandra, thanks for the link. Certainly a useful website.
Mark....if only our terrestrial weather would play ball!

Derek, aurora a plenty if you've got clear skies and you're suitably located, north or south.

Cheers

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: CME from AR2297 Arrives- Magnetometer Response

Post by grimble_cornet »

Well, at least it is clear at the moment - just doing some 'sissy' astronomy as Stephen would say....... trying out the Tal100 on a NGC 2903, a nice barred spiral galaxy in Leo. Might have look for aurora a bit later................... :roll:


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by swisswalter »

Hi Stuart

fantastic catch


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: CME from AR2297 Arrives- Magnetometer Response

Post by marktownley »

I kept looking all last night from when it went dark till I went to bed, however there is just too much light pollution to see any of the auroral storm, despite it being the strongest of the solar cycle... I considered getting the camera and trying some long exposures, but experience tells me there was no point, would have just got light polluted skies... Lots of nice pictures on the social media sights, but nothing from the towns and cities as far south as the midlands...


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by Montana »

I took some images around 10pm but I couldn't see anything on them. I kept looking out the window until midnight and gave up and went to bed. Never mind, at least all your recorders went crazy :)

Alexandra


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by Carbon60 »

I couldn't see anything either. It appears that the maximum peaked at around 11:25pm, but too much light pollution and a wisp of high cloud made it impossible to observe from my location.

Here is the full record for the day. This is by far the largest storm this solar cycle, peaking on my magnetometer at around 240nT.
CME_20150317_Kp8_Full.jpg
CME_20150317_Kp8_Full.jpg (123.54 KiB) Viewed 5444 times
Cheers

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: CME from AR2297 Arrives- Magnetometer Response

Post by Wah »

:hamster: :hamster: :hamster:


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by swisswalter »

Hi Stuart

what an event, congratulations on the catch


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: CME from AR2297 Arrives- Magnetometer Response

Post by Carbon60 »

Thanks Wah and Walter.

I've now added a sound track using my sonification method to try to give some sense of the passing of very fast moving solar plasma during the storm. Hopefully the link will work.

https://www.flickr.com/photos/solarcarb ... 668104600/

Best with headphones.

Cheers

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: CME from AR2297 Arrives- Magnetometer Response

Post by swisswalter »

Hi Stuart

that is freaking good, thank you very much


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: CME from AR2297 Arrives- Magnetometer Response

Post by Montana »

The sound isn't working on the PC, I'll have to wait till the hubby gets home ;)

Here is my shot from last night, I saw others on the web which were highly stretched so I stretched mine to pretend there was an aurora. I guess the pixels were there :lol:
con__4csmall.jpg
Note: this wasn't noticeable visually!

Alexandra


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Re: CME from AR2297 Arrives- Magnetometer Response

Post by swisswalter »

Hi Alexandra

congrats, I can see it, though a little bit very weeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeek ;-)


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: CME from AR2297 Arrives- Magnetometer Response

Post by Carbon60 »

At least you managed to get SOMETHING, Alexandra.

No such luck here :roll: :roll: On the edge of town, but still way too much light pollution :evil:


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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