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Originally posted by loner007
just curious to know why the same phenomenon has been seen 2 times in recent weeks above the same location. there looks like a twister in the centre of the spiral. Also I have not known any aurora to be such a sprial shape as most of them that I do know off are seen snaking across the sky....
If you are under the auroral oval west of this breakup, you will see a bright aurora moving toward you from the east that might cover almost the entire sky and move from the eastern to western horizon within minutes. This aurora will often look like a huge spiral of curtains, with many smaller curls within the curtains.
Originally posted by ventian
Just looks like the Aurora Borealis to me.
Originally posted by free_spirit
Originally posted by loner007
just curious to know why the same phenomenon has been seen 2 times in recent weeks above the same location. there looks like a twister in the centre of the spiral. Also I have not known any aurora to be such a sprial shape as most of them that I do know off are seen snaking across the sky....
That's precisely what I meant, it's a curiosity.