A double sun halo is a variation of the more common 22-degree halo, where a bright ring encircles the sun. In this case, two halos are visible - an inner halo with a radius of approximately 22 ...

A classic 22 degree sun halo captured over Cookstown during lockdown - the enhancement within the upper regions of the halo is called an Upper Tangent Arc ( UTA) A few weeks ago we had several ...

A small halo has an angular radius of 22 degrees, with a pale red lining or ... “Remember not to look at the sun directly, as strong sunlight can cause blindness,” she said.