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Most of Europe is glowing pink under the aurora

foto-webcam.eu

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Re: Most of Europe is glowing pink under the aurora

#321

Post by sllabres »

playingalong wrote: post #228
sebastianconcpt wrote: post #160

Earlier quoted context omitted.

Thank you for sharing that. I wonder at what speed the morphing happen, also a sense of proportion. Very hard to capture that in anything but direct experience.

Not sure here in proper continental Europe, but the usual sightings in the Arctic Circle are typically very short. Like it shows up for a minute or even not so. Then you wait an hour and another sighting for tens of seconds. Obviously sometimes it lasts for hours, but this is nothing frequent (in given location).

I am looking at the foto webcam images too and haven't seen the aurora myself, but the photos show a much longer timespan: For Wildhaus the first image with a pink/greenish glow is at 22:22

https://www.foto-webcam.eu/webcam/wildhaus/2024/05/10/2220

and this continues through the entire night https://www.foto-webcam.eu/webcam/wildhaus/2024/05/10/2230

till shortly before sunset, where the exposure time probably shortens too much to capture the color of the the aurora https://www.foto-webcam.eu/webcam/wildhaus/2024/05/11/0420

Other locations:

https://www.foto-webcam.eu/webcam/ewa/2024/05/11/0330

https://www.foto-webcam.eu/webcam/glecksteinhuette/2024/05/1...

https://www.foto-webcam.eu/webcam/hochleckenhaus/2024/05/11/...

Re: Most of Europe is glowing pink under the aurora

#322

Post by dylan604 »

solarwindy wrote: post #294
dylan604 wrote: post #187

Earlier quoted context omitted.

just like all of the 80s military action films with red filtered flashlights or CNC rooms on ships. sometimes, meme like content isn't just made up. as an amateur (at best) astro type person, you learn very quickly how true how quickly a brief flash of white light can ruin your night vision. walking around during the day without sun glasses can also extend the amount of time it takes your eyes to acclimate to the dar…

Last night in particular, hiking through the forest there was no need for a flashlight at all.

On full moons, you can read a book and see the shadows cast by the moonlight. It's fun to take someone to see it for the first time who originally do not believe the shadows are possible.

Re: Most of Europe is glowing pink under the aurora

#323

Post by g7vrd »

You can see the effects of the CME on the HF amateur radio bands.

This live map (https://g7vrd.co.uk/wspr/IO81) would usually be full of worldwide contacts being reported by WSPR (Weak Signal Propagation Reporter), but the solar flares have closed down the bands quite considerably.

The map is centred on Maidenhead grid square IO81, but you can change it to wherever you are: https://www.whatsmylocator.co.uk/

This will also cause problems with aircraft, as they use HF when they're out of sight of land.

Re: Most of Europe is glowing pink under the aurora

#324

Post by willmadden »

twojacobtwo wrote: post #234
willmadden wrote: post #154

Earlier quoted context omitted.

Not for long. The earth's magnetic field is decaying at an exponential rate as the poles shift. I believe we've spent far too much time worrying about CO2 and not nearly enough worrying about the dangers from our sun.

> The earth's magnetic field is decaying at an exponential rate as the poles shift. Got any scientific sources for that claim? > I believe we've spent far too much time worrying about CO2 and not nearly enough worrying about the dangers from our sun. Other than hardening our power grid to the effects of solar storms, what exactly could we do WRT the sun and the magnetic field? Also, given our serious lack of progress…

1) go to perplexity.ai

2) type in "Is the earth's magnetic field weakening?"

3) read the summary and click the sources if you don't believe it.

Read this about your CO2. The CO2 in our atmosphere is already at a concentration where the narrow band of wavelengths CO2 absorbs is fully saturated. This means more CO2 isn't going to cause more warming, because there is no more light in its opaque wavelengths to absorb. Also the pattern of CO2 concentration in the atmosphere vs surface temperature does not indicated that CO2 causes warming, but that CO2 levels rise after warming has already occurred. Policy around CO2 is hindering human progress and has caused massive economic damage. The models were all wrong, and this paper explains the reason.

https://www.sciencedirect.com/science/article/pii/S266649682...

Re: Most of Europe is glowing pink under the aurora

#325

Post by bavell »

grafelic wrote: post #280
grafelic wrote: post #126

Earlier quoted context omitted.

I took one semi successful photo using my crappy beat-down a20e Samsung phone. It doesn't do what we saw justice at all. https://imgur.com/5mlD22W

Here are some quality photos from Denmark: https://www.dr.dk/nyheder/vejret/saa-vildt-ser-det-ud-se-nat...

Incredible!

Re: Most of Europe is glowing pink under the aurora

#327

Post by dahart »

deadbabe wrote: post #191
chgs wrote: post #49

Earlier quoted context omitted.

Doesn’t look like that in reality. If I take a photo on my phone here in the UK midlands I get pink and green in all directions with a 3 second exposure. However with just the naked eye it’s like super high level clouds

Ok why is it that some people say northern lights look EXACTLY like these spectacular photos, and others say in real life they are actually barely visible and you need a camera and very dark skies? Is there some kind of running joke I’m missing? I saw some northern lights in Iceland but they were very dim and underwhelming, I didn’t even know what I was looking at until I photographed them and saw the vivid green str…

Not bullshit. When you see a strong one, it looks like all the amazing photos, and better because it’s moving and spanning the sky. Photos never capture the scale.

I had a similar thought about the sun’s corona during a solar eclipse, for some reason I thought people were using special photo processes to extract something that was hard to see without equipment. Then caught an eclipse and the corona blooms like a huge flower in the sky and it’s better than almost all the photos. I’m guessing the dynamic range of the corona makes it very hard to photograph anywhere near as good as what it looks like when you’re there.

Re: Most of Europe is glowing pink under the aurora

#328

Post by Jare »

swiftcoder wrote: post #319
Jare wrote: post #246

Earlier quoted context omitted.

There's no evidence that this use was real. Mythbusters tried it and said the trick itself does work (which any of has may already know), but who knows if it was even practical in a pirate boat, vs the loss of stereo vision etc. The whole idea of pirates wearing eyepatches seems simply the replication of one particularly colorful pirate archetype over centuries of literature and tales.

I feel like the advantages of stereo vision may be oversold in this scenario. At the distances that sailing vessels would engage there's limited need for binocular depth cues - they really only start to come into play at the point where you would begin a boarding action

But the idea of the patches-for-night-vision is precisely to have one eye covered during the boarding, so when you enter the insides of the enemy boat that eye is ready for seeing in the dark.

Re: Most of Europe is glowing pink under the aurora

#329

Post by pbhjpbhj »

SenHeng wrote: post #282

Does anyone have a direct link to the time period when the aurora hits? All I see is a beautiful sunny day.

https://www.metoffice.gov.uk/weather/specialist-forecasts/sp...

shows a video-style timeline of predictions for both Northern and Southern hemisphere.

I'm not sure what "percentage" corresponds to visible aurorae though, anyone know?

Re: Most of Europe is glowing pink under the aurora

#330

Post by h4ckerle »

sagischwarz wrote: post #236
weinzierl wrote: post #229

Earlier quoted context omitted.

Is your village north, middle or south Germany. Just curious how much I missed:-/

Mid-west, in an area called Hunsrück.

OT but I didn't realise until now the Hunsrück was a real place... I always assumed it was invented for Werwölfe von Düsterwald!
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