Will o' the Wisp / Irrlicht / Ignis Fatuus

[Ruggero M.]

I'm researching about this natural physichal/chemical phenomenon, which is known to occur where organic material undergoes natural decomposition.
The phenomenon is rare, is seen only in the dark (which means only night time) and is observed mainly in marshes, swamps, cemeteries (in the past) or wherever some decaying material is present under ground or water.
If you have experience or recent observation of this light phenomenon, which is normally described as a transient "cold flame", please contact me.
I'm collecting reports about this fact, and any recent sighting will be very helpful for my research.

[Gerald Ochsenhofer]

Maybe you can contact Mark Vornhusen, i came across this page he wrote years ago:
http://old.meteoros.de/irrlicht/irrlichte.htm
As far as the page has been taken "offline" quite some time ago, i'm not sure if the contact adress changed meanwhile.

PS: I'm well aware that the picture is just a placeholder

[Ruggero M.]

Maybe you can contact Mark Vornhusen, i came across this page he wrote years ago:
http://old.meteoros.de/irrlicht/irrlichte.htm
As far as the page has been taken "offline" quite some time ago, i'm not sure if the contact adress changed meanwhile.

PS: I'm well aware that the picture is just a placeholder

Thanks, I've written now to him, but I've probably done the same thing time ago, because I already knew this page...
I've a good amount of publications about this matter, but the last reports obtained from living witnesses date back some years.
This phenomenon was rare in the past, and now seems to be almost disappeared!

[Ruggero M.]

For interested people, a well made (but somehow enigmatic in my opinion, because it lacks the evidence of the proofs!) scientific article about Ignis Fatuus: http://www.sciencedirect.com/science/ar ... 2814016425

Sorry, I'm no longer able to find the whole article...

[Ruggero M.]

Some bibliography http://inamidst.com/lights/wisp/ and a particular picture:

Will o' the wisp and snake by Hermann Hendrich

Will-o-the-wisp_and_snake_by_Hermann_Hendrich_1823.jpg (40.6 KiB) Viewed 6415 times

The snake painted resembles a "Kreuzotter"...

[Jeroen Speybroeck]

For interested people, a well made (but somehow enigmatic in my opinion, because it lacks the evidence of the proofs!) scientific article about Ignis Fatuus: http://www.sciencedirect.com/science/ar ... 2814016425

Sorry, I'm no longer able to find the whole article...

? It's open access.

[Ruggero M.]

For interested people, a well made (but somehow enigmatic in my opinion, because it lacks the evidence of the proofs!) scientific article about Ignis Fatuus: http://www.sciencedirect.com/science/ar ... 2814016425

Sorry, I'm no longer able to find the whole article...

? It's open access.

I think so! I could download it!

[Ruggero M.]

Here is it:

http://ac.els-cdn.com/S1877042814016425 ... 3decf04fa1

Very well done analysis of the soil contents, but my question is: who actually observed the unusual "luminous cloud"? Which are the proofs of the actual existence of this "cloud"? There are no pictures, no footages, nothing more then vague reports... And a luminous cloud is something very different from the usual appearance of a typical Ignis Fatuus.
Anyway interesting and at least for me fascinating!