These awe-inspiring images are submitted in several categories: Skyscapes, Our Sun, Galaxies, Our Moon, Aurorae, Planets, Comets and Asteroids, People and Space, Stars and Nebulae. Plus Best Newcomer, Image Innovation and Young Competitor categories. Each image is accompanied by caption, photographer, location and technical details. There is also a location map showing the origin of all images and a visual appendix of all images. The judges are from an expert panel of distinguished astronomy experts. The National Maritime Museum hosts an exhibition of the winners of the Astronomy Photographer of the Year competition, showcasing these incredible images of the sky. www.rmg.co.uk/astrophoto