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| To take part in the experiment to find out how fast the Moon’s shadow travels across North Yorkshire, you will need to note the exact :- | 
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Location of your observations (either as a 6 figure OS grid reference or latitude and longitude); 
Time of the day when the Moon first overlaps the Sun. This first overlap is estimated at 10.03 in the morning; 
Time of the last overlap on the Sun. This last overlap is estimated at 12.34, just after lunch.
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| Click here to register | 
| Click here for details of what to record | 
| Click here to find out how the experiment is done. | 
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