What are the best objects to observe in the sky, outside our solar system? For years, the front runners were always, invariably, the Orion Nebula and the Andromeda Galaxy. Telescopes, technology, and observers' information sources have changed so much over the past several years, however, that I wonder if the objects Astronomy readers favor have now shifted around. Among open clusters, do you see the Pleiades, Beehive, and Double Cluster as the greats? How about standout globulars — Om...