Delta Cephei's secret companion and intriguing past – Astronomy Now
A pair of royal subjects | Astronomy.com
Plant Your Eyes In Delta Cephei's Fertile Triangle - Sky & Telescope - Sky & Telescope
Fun with double and variable stars | Astronomy.com
Delta Cephei - Wikipedia
Delta (δ) Cephei: A Lighthouse in the Sky | Star-Splitters
CEPHEUS -
Delta (δ) Cephei: A Lighthouse in the Sky | Star-Splitters
Delta (δ) Cephei: A Lighthouse in the Sky | Star-Splitters
How the Strange Star Delta Cephei Is a Universe Mile-Marker | Space
Catch Cepheus, King of the North Pole while the Moon Moves Post-Midnight! – AstroGeo
Web Extra: Tour 10 autumn binocular highlights | Astronomy.com
Summer Sky Tour -
δ Cephei (delta Cephei) - Star in Cepheus | TheSkyLive.com
The Saga of Delta (δ) Cygni | Star-Splitters
δ Cephei (delta Cephei) - Star in Cepheus | TheSkyLive.com
Viewing the constellations with binoculars by Richard S Pearson - Issuu
Double stars and binary stars: an astronomy guide | BBC Sky at Night Magazine
Delta Cephei Double and Variable Star - Stock Image - C044/2984 - Science Photo Library
Alpha Leonis
Part I: Observations of Delta δ Cephei
Delta Cephei
Sweeping Widefield Views: Vixen SG 6.5×32 WP ED Astro-Bino – AstroGear Today
The Cepheus Constellation - Universe Today
