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| Constellation Guide
The Sombrero Galaxy (Messier 104, NGC 4594), is a peculiar galaxy located 31.1 million light-years away in the constellation Virgo, near the border with Corvus. It can be spotted in binoculars and small telescopes.| www.constellation-guide.com
The historic first image of a black hole was released by the Event Horizon Telescope (EHT) Collaboration on April 10, 2019. An international team of scientists used observations with the Event Horizon Telescope, a worldwide network of eight ground-based radio telescopes, to capture an image of the supermassive black hole at the heart of the… Read More »First Image of a Black Hole Captured in M87| Messier Objects