THE MOST NORTHERLY objects in the Messier catalog areM81 and M82 in Ursa Major. With declinations of 69° 04'and 69° 41' respectively, these galaxies are circumpolar objects(visible any time of night throughout the year) for observersthroughout Canada, Europe, and the United States. And inaddition to being readily available, the duo forms one of themost interesting and attractive galaxy pairings in the sky.
展开▼
