Albireo
Albireo is a double star that is composed of a bright yellow star (which itself is a binary system or additional two stars) and a fainter blue companion. It is about 420 light years away.
Deep Sky Workflows
Astrophotography for everyone: images, videos, and articles about space, nebulae, galaxies, planets, telescopes, and how to take and process deep space images from your own backyard.