Ireland's major annual astronomy festival, the Whirlpool Star Party, hosted by the Shannonside Astronomy Club, will be held once again at Birr, Co Offaly, home of the famous 'Leviathan', which was for 70 years the largest telescope in the world. It's always a great weekend of craic, great astronomy talks, exhibitions, 'scopes & accessories & books for sale, observing & socialising. See details here.