OΣ 461 – The Garden Astronomer

STT 461 in Cepheus: A Multiple Star System—or a Cosmic Illusion?

Shows the stars in the multiple star system of STT 461 in constellation Cepheus

The double star Struve 2840 is located in the northern sky within the constellation Cepheus. Backyard astronomers should find it pretty easy to separate Struve 2840’s two stars, which are separated by 18 arcseconds. The pair is also known as STF 2840, SAO 33819, HD 208063, HR 8357.