The sky, April 20-27: Arcturus is brightest star, high in the East

The sky, April 20-27: Arcturus is brightest star, high in the East

Special to CosmicTribune.com, April 20, 2025 Excerpts from weekly Sky&Telescope report. SUNDAY, APRIL 20 ■ Find Procyon high above brilliant Sirius in the southwest right after dark. Look upper left of Procyon by 15° (about a fist and a half at arm’s length) for the dim head of Hydra, the enormous Sea Serpent. His head is a […]