Date: 31 January 2018
Location: Melbourne, Australia
I set up a small telescope in my driveway and spent the evening explaining the details for the Super Blue Blood Moon to curious passers by.
A Super Moon occurs when the Moon is Full and at perigee (Its closest approach to Earth in its orbit) The Moon appears slightly larger than usual, but you’d need to be an expert observer to realise it.
A Blue Moon is simply the second full Moon in the same calendar month. January 2018 started with a full Moon and so we just got a second in the same month.
A Blood Moon is a Lunar Eclipse, when the Moon passes through the shadow cast by the Earth. As the Earth’s shadow fall on the Moon, its colour changes, initially blacking-out portions of the Moon and then changing the Moon’s usual silver-grey to a red-orange colour.