EASTERCON 2019 19-22 April 2019, Park Inn Heathrow, London Join Now Hotel Eastercon returns to the Park Inn at Heathrow for 2019. Find out about the hotel & how to get there. Who's coming Find out about our Guests of Honour, speakers and other participants. And check out our menbership list, too. What's on We are starting to plan the programme for Ytterbium. Find out what's on and how you can take part!