Transit of Mercury across the Sun on November 11
IMCCE has gathered all you need to know about this transit on a website.
You can see the orbit of Mercury on the Sun disk from different places on the Earth and you can calculate local circumstances of visibility from everywhere.
It is possible to calculate yourself solar parallaxe after observing the instants of contact between Mercury ant the Sun.
You can find informations about the planet Mercury and the observations. Educational posters are also free.