Delphinus, Sagitta, and Vulpecula

Delphinus, Sagitta, and Vulpecula

The Summer Triangle, a large triangle of bright stars (Deneb, Vega, and Altair), lies straight overhead on September evenings in the United States. Delphinus, Sagitta, and Vulpecula all lie in or near the Triangle. While none of these constellations are large, they...