By Amy Scammell, with contributions from Ed Fosbrook, Tej Dyal, Miyuki Shigeno and Bobby Manoo. As we made our way to the Norman Lockyer Observatory for our visit to its annual AstroFair, I think a number of us wondered whether we had made a good decision. It was one of the hottest days of the year and, between us, we faced sweltering cars, motorway delays and cancelled trains. Was it worth it? It most certainly was! The Norman Lockyer Observatory is located just outside Sidm