As the Sun Turns: Solar Minimums and Maximums

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Luke
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Luke »

Yes. That is what we saw -- minus the writing. :) I never thought about the timing. Now that you mentioned it, it is interesting food for thought.

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Maria
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Maria »

This week has been a blockbuster.

Sunspot group AR2673 has unleashed multiple Cs, Ms, and several X rated solar flares.

On Wednesday, September 6, 2017, it unleashed a Solar Cycle 25 record: X9.3 which peaked at 1202 UT (5:02 AM PDT), so those of us on the West Coast did not see or feel it. However, this mega solar storm triggered auroras world wide with auroras seen down in Arkansas.

The latest flare was a gradual, sustained M1-class solar flare, which is displayed below. AR2673 is active region on the right limb of the sun shown soon departing our view but broadly flaring.

solar image_09-10-2017_0001 UT_ M Class Flare_AR2673.jpg
solar image_09-10-2017_0001 UT_ M Class Flare_AR2673.jpg (13.21 KiB) Viewed 1228 times
09-10-2017_sustained M1 _0001 UT_Beta-Delta-Gamma AR2673_goes-xray-flux-6-hour.gif
09-10-2017_sustained M1 _0001 UT_Beta-Delta-Gamma AR2673_goes-xray-flux-6-hour.gif (9.85 KiB) Viewed 1228 times

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Maria
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Maria »

Below is a photo of our sun showing it aglow with multiple flaring at 1306 UT (6:06 AM PDT).
I awoke about that time feeling sick.

The M3 class solar flare unleashed from AR2673 is prominently displayed on the right limb of the sun.

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solar image_09-09-2017_1306 UT, M3 from AR2673 along with Multiple Flaring on the sun.jpg
solar image_09-09-2017_1306 UT, M3 from AR2673 along with Multiple Flaring on the sun.jpg (97.84 KiB) Viewed 1227 times

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Maria
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Maria »

This morning I awoke with another solar storm, this time it was an X8.3 from departing active solar region AR2673. This monster storm peaked at 1606 UT, which is 9:09 AM PDT (12:09 PM EDT.) New York got blasted as well as the Eastern Seaboard. This has got to affect the hurricane hitting Florida as it was a dramatic surge in solar energy.

Below are two images. One of the sun still irradiating us at 1715 UT, and the other is a plot of the solar event as it unfolded.

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solar image_09-10-2017_1715 UT_AR2637 X-Flaring.jpg
solar image_09-10-2017_1715 UT_AR2637 X-Flaring.jpg (13.55 KiB) Viewed 1223 times
09-10-2017_X8.3_AR2673 at 1606 UT_goes-xray-flux-6-hour.gif
09-10-2017_X8.3_AR2673 at 1606 UT_goes-xray-flux-6-hour.gif (10.57 KiB) Viewed 1223 times

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Maria
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Maria »

Below is a global plot showing not only the X-flare from AR2673 but also elevated proton flux.

Global. 09-10-2017 1738 UT_AR2673 X-flaring.png
Global. 09-10-2017 1738 UT_AR2673 X-flaring.png (41.88 KiB) Viewed 1222 times

All HF radio short wave communications are dead because of upper ionospheric disturbances.

Here is NASA's view of the X8.3 solar flare that we experienced at 1606 UT (9:06 AM PDT)

Image

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Maria
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Maria »

Here is a recent global plot showing that the Proton Flux has increased to STRONG.

Global. 09-11-2017 0041 UT_Strong Proton Flux.png
Global. 09-11-2017 0041 UT_Strong Proton Flux.png (33.8 KiB) Viewed 1211 times

And below is a recent plot showing the X-ray flux.

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09-10-2017_X8.3 and 3 days of Multiple Flaring_goes-xray-flux.gif
09-10-2017_X8.3 and 3 days of Multiple Flaring_goes-xray-flux.gif (16.48 KiB) Viewed 1211 times

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Maria
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Re: As the Sun Turns: Solar Minimums and Maximums

Post by Maria »

The most recent global plot shows that the Proton Flux has increased even further.

We are still being irradiated folks, so if you do not feel well, get some extra sleep, and avoid going outside.
This kind of radiation can still affect you even if you are inside a plane, car, or home, but the radiation exposure is less.

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Global. 09-11-2017 0332 UT_Strong Proton Flux.png
Global. 09-11-2017 0332 UT_Strong Proton Flux.png (30.14 KiB) Viewed 1211 times

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