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Measuring the astronomical unit, observation methodologies
Sébastien Collignon, the 20/04/04

4°)Final advice for the observations :

During the first contact the sun will be low on the horizon. You will have to choose an observation site where the horizon is clear.
If you can, try to visit a few observation sites before the transit.
You must absolutely avoid foggy places.

Train yourself ! Practice with your material. The observers who chose the photographic methodology should practice taking sunspot photographs.
You must be ready for the transit day.

Good luck to all of you !

Observing the sun can be very dangerous, therefore the safety precautions MUST be respected, see :

I would like to thank Mr. Arkan Simaan for his advice during the construction of this file.

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