Wow, thank all, and thank you Tetters, Ester and Sheal!
@Tetters it was taken in my garden. We rarely get foxfires in Southern parts of the land too
..however, they do not always look like that to bare eye. Neither did they now, or then I am just the one who can't see them in vibrant colour anymore

still this idiot spent half of an hour outside taking photos after a sauna, wet haired in -30C(-22F).
Through a phone lense it looks like that

And edited how I saw them:
