Supermoon – Perigee!

On Saturday 19th March 2011, the moon reached perigee – the point in its orbit at which it is closest to the Earth, in fact it’s the closest it has been in almost 20 years – 221,565 miles (356,577 kilometres). According to the NASA site, pretty much the only thing this will do is raise tides by a couple of centimetres. Robert Massey did the rounds over the past week telling everyone that, yes it’s very cool. No, it’s not been causing earthquakes.

I took photos of the full moon on January 19th, and last night, both photos were taken between 9.30pm and 11.30pm at the same location, with quite similar elevation. The only difference is that the shutter speed was slower on last night’s picture, so the “supermoon”, on the left, looks brighter. Here’s my attempt at showing the difference in size between January’s full moon and last night’s perigee moon. Supermoon is just a smidge bigger.

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