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Message added by Sam Warfel,

Reminder: this thread is for solar activity like flares and CMEs launching from the sunspot.
To discuss the CME's travel or impacts on Earth, please move to this thread in the geomagnetic activity forums.
Thanks!

 

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6 minutes ago, FredSchuller said:

Well, the flux recorded by GOES is the sum of everything visible on the Earth-facing side, so actually it's cumulative. But it doesn't make it an X-class, possibly the M8 that we just saw was the sum of two M4 or something like that.

 

can you linearly add eruptions ? or does it work like decibels where two sources at 50dB don't equal a single source at 100dB ?

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  • Drax Spacex
    Drax Spacex

    And we've been so well behaved.  No one asserted that the conjunction of the Sun, Jupiter, and Venus was the reason for the high activity from AR3664.  Such restraint deserves a kudos!

  • arjemma
    arjemma

    This region is amazing. Here's the development from May 4th to today. Stabilized.

  • Philalethes
    Philalethes

    Well, do us a favor and stop posting about it here over and over again, especially not using that nonsensical terminology that we all know where originates. We've already addressed it countless times

Posted Images

i noticed that the region changed a little bit over the last 3-4 hours. the main delta got a bit smaller but another one slightly bigger.

1 minute ago, MinYoongi said:

i noticed that the region changed a little bit over the last 3-4 hours. the main delta got a bit smaller but another one slightly bigger.

Overall the region is just looking better & better, still gaining spots.

8 minutes ago, pims said:

can you linearly add eruptions ? or does it work like decibels where two sources at 50dB don't equal a single source at 100dB ?

It's a logarithmic scale, so indeed pretty much like dB.

 

3 minutes ago, mozy said:

Overall the region is just looking better & better, still gaining spots.

im not keeping such a close eye on it, where is it gaining / where to watch ? :) 

13 minutes ago, pims said:

can you linearly add eruptions ? or does it work like decibels where two sources at 50dB don't equal a single source at 100dB ?

Linear, two M1 flares  (1x10^-5 W/m² from each) are a M2 flare (2x10^-5 W/m²).

14 minutes ago, pims said:

can you linearly add eruptions ? or does it work like decibels where two sources at 50dB don't equal a single source at 100dB ?

The fluxes themselves add linearly, but the flare classes are partially logarithmic, so an X1 is 10 times as strong as M1, which is 10 times as strong as C1, and so on; but within each flare class, the relationship is linear, so X2 is exactly twice as strong as X1.

So in other words, two M3-flares would add up to M6, and two M5-flares would add up to X1, while two M8-flares would add up to X1.6.

I am back here again after final tests in school and - WOW :o  At M-levels for nearly 12 hours straight, one of largest flare probabilities I have seen this solar cycle. What a shame here in Latvia nights are already very short...image.thumb.png.de8a6ec01bd1ab1ef7470f2c097f3563.png

2 minutes ago, MeteoLatvia said:

Я снова здесь после выпускных тестов в школе...

I wish you, dear friend, a good journey in your later adult life, good further education, and a good and interesting job. Good luck, my friend! 🙏

4 minutes ago, MeteoLatvia said:

I am back here again after final tests in school and - WOW :o  At M-levels for nearly 12 hours straight, one of largest flare probabilities I have seen this solar cycle. What a shame here in Latvia nights are already very short...image.thumb.png.de8a6ec01bd1ab1ef7470f2c097f3563.png

Hope you passed your tests and the stress is now gone :)  Nights in germany are very short too by now. sun rises around 4 in the morning.

2 minutes ago, Jesterface23 said:

I see we finally have a CME from the region

yes! you can start the calculating, hehe. lasco is already available :) Must be a good morning for you :D 

39 minutes ago, tniickck said:

we are having M level for 15 hours. that’s crazy. @hamateur 1953is the ionosphere gonna be charged this night? 

It was already. @tniickck and unless the eta aquarids meteor shower were responsible for the overnight DX another historic night E layer happened last evening. ( 28mhz only) I saw it live this time indeed. And likely 50 mhz will be wide open across the states today again from this high level boost to our E layer. It hasn’t quite made it to my latitude yet but should very soon.  Later…. Mike. 

20 minutes ago, Jesterface23 said:

I see we finally have a CME from the region

Yay!!

15 minutes ago, Mogh, Lord of Blood said:

How long does the peak last? Since we are at the peak of this solar cycle, is it supposed to be short or long?

I dont know if we're at the peak yet. its hard to say, its always easier after minimum kicks in

1 hour ago, Philalethes said:

That's not true; the X-ray flux measures the total flux across the entire disc. If two regions peak at M5 at the exact same time, the end result would be registered as X1 in the flux measurements.

I would’ve never thought, sorry for the disinformation i guess…

Im not sure if I know what I’m talking about but it looks like EPAM might be rising from the recent 8.69 flare. 

Just now, mozy said:

Hey we finally dipped under the M-range now lol

Haha. Right at my daylight. Boo hoo. Oh well this region may soon cover half of the Southern Hemisphere no problem! 

1 hour ago, mozy said:

This eruption looks like nothing compared to previous one, but hey atleast It's a CME

We’ll take what hits us, as long as clouds don’t ruin everything like usual…

4 minutes ago, Jesterface23 said:

Well, another halo CME in C2 imagery

Faint, but looks quite a bit faster than the previous one, which looked pretty dense.  It will be interesting to see how these two CMEs interact.

3 minutes ago, NEAurora said:

Faint, but looks quite a bit faster than the previous one, which looked pretty dense.  It will be interesting to see how these two CMEs interact.

the first one did not look so dense in cor2 to me :o 

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