Alcyoneus is a large radio galaxy located approximately 3.5 billion light-years away in the northern constellation of Lynx. It has an apparent visual magnitude of 17.16 and an apparent size of 14.07 arcseconds. The galaxy cannot be observed in amateur telescopes. Alcyoneus’s lobed structures span 5 megaparsecs (16 million light years), forming the second largest… Read More »Alcyoneus Galaxy
