Science at Parramatta High
 The Moon in close-up
All the shots in this series of moon closeups were taken with a 90mm (1250mm f.l.) ETX reflector telescope with a CCD webcam positioned at its prime focus. This yields the approximate equivalent of a 13 metre telephoto lens on a standard 35mm camera!

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Tycho
This image shows Tycho and the surrounding area, taken just four days after the previous one.
Note the difference caused by the higher angle of the sun - the rays are prominent and the crater walls are much less obvious.

Over a year later, and one day younger, the rays from Tycho are also visible.

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