The planet Mercury is moving across the sun today, and may be visible from Ireland, weather permitting.

Trinity College Dublin has set up telescopes until 6 o'clock, and if the clouds don't cooperate, there are televisions streaming footage from NASA's Solar Dynamics Observatory.

Professor of Physics at TCD is Peter Gallagher;

CAUTION: Do not look directly at the Sun during the transit or at any other time. Doing so can cause permanent damage to your eyes.

You can also watch Mercury transit the sun online, via NASA or the European Space Agency.

Laura Hayes is a PhD researcher in the Trinity Astrophysics research group, she explain what you'll see if you look at the footage;