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Making a light curve from your observations

Investigate the structure of Saturn's rings as they pass in front of a star.
If you have access to a digital stopwatch and a short-wave radio or a time and weather receiver, you can make a light curve of the upcoming Saturn occultation. A light curve shows how the star varies in brightness over time, which is directly related to the ring's structure. One of the most accurate means of creating a light curve involves dictating your observations into a portable cassette recorder while recording the continuous time beats from the WWV, the time station out of Fort Collins, Co...

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