How to navigate using the Sun Page 17

Fire Rainbows

I was just 'tweeted' by Anne who had spotted what initially appeared to be an unusual light phenomenon appearing in some cirrus clouds. I think it is just a small arc of a standard 'primary rainbow', but part of me desperately wanted it to be a 'fire rainbow' which I…

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Green Flash Hunting

Last night I managed to take 46 photographs in a desperate bid to catch the elusive, and some like to say mythical, 'green flash' at the moment of sunset. The green flash is an optical phenomenon caused mainly by blue/green light bending more than the reds/yellows. There is a fuller…

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Slightly Fickle Moss

Having spent the morning organising images for upcoming courses, I was reminded of a regular problem with learning anything practical from nature. There is a real tendency to bias. By which I mean when we are learning something new there is a great temptation to either make our observations fit…

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