Skywatchers on the island of Ireland are preparing for a significant partial solar eclipse next week, an event that necessitates strict safety precautions for viewing. Astronomers are emphasizing that direct, unfiltered observation of the sun, even when largely obscured, can cause permanent eye damage.
"The problem is that our retinas don't have pain receptors, so you won't know that you're damaging your eyes," explained Dr. Rok Nežič. He advises the use of certified eclipse glasses for safe naked-eye viewing. However, these glasses should not be used in conjunction with binoculars or telescopes.
Alternative safe viewing methods include projecting an image of the sun. This can be achieved using a telescope, a pinhole viewer constructed from a cereal box, or even a kitchen colander to cast a projected image onto a white card. The intense light from the sun can also damage the sensors of smartphones and digital cameras if they are pointed directly at it without proper filtering.
"The only thing you can look at with the naked eye is a total solar eclipse and there hasn't been one of those on Irish soil since 1724, and there won't be another one visible until September 2090," noted David Moore of Astronomy Ireland.
The upcoming celestial event is expected to see a large portion of the sun eclipsed across Ireland. For example, Cork is projected to experience 96.43% coverage around 19:13 BST, while Londonderry will see 93.77% coverage at 19:07 BST. Similar high percentages of coverage are anticipated in Belfast, Dublin, and Galway.
Following the solar eclipse, skywatchers can also anticipate the peak of the Perseid meteor shower. 