Astronomer Royal is a 19 year old horse that was born in 2004 and retired -> race from 2007 to 2008. He was sired by Danzig out of the Easy Goer mare Sheepscot. He was trained by Aidan P. O'Brien and retired -> race for Michael B. Tabor, Mrs. John 'Susan' Magnier, Derrick Smith, and was bred in Kentucky, United States by [Add Data]. Astronomer Royal has raced and won at Ascot-GB, Deauville-FR, Doncaster-GB, ParisLongchamp-FR, Newbury-GB, Newmarket (July)-GB. His has a stakes win at the 2007 Poule d'Essai des Poulains (G1).