A stunning auroral storm "exploding" in the sub-polar night sky above the modern "Arctic Henge" formation in the village of Raufarhöfn in northern Iceland.
The significance of "Arctic Henge" is explained in the APOD image of the day for April 30, 2012.
Yet again I started a blog entry that sprawled and spiraled out of control and it is now nearly midnight -- and I haven't even started formatting the text and coming up with a lead image. Given that I have exactly 4 intermittent readers, I am going to take a pass on trying to finish that bigger entry tonight. Realistically, it may not get done until Wednesday night as I may have plans tomorrow night.