HNSKY help file
Webb Deep-Sky Society: Double Star of the Month Archive 2021
Beta Herculis - Wikipedia
Hercules | Star-Splitters | Page 2
A Complication of Stars in Delphinus, Part One: HO 131 and S 752/Bu 987/Fox 254 | Star-Splitters
Sigma Geminorum | Memory Beta, non-canon Star Trek Wiki | Fandom
Observing Double/Multiple Star Systems - Remote Astrophotography Using Slooh.com
Hercules | Star-Splitters
Kappa Herculis
Epsilon Ophiuchi - Wikipedia
ヘルクレス座カッパ星 - Wikipedia
Hercules | Star-Splitters | Page 2
Kappa Cygni - Wikiwand
Scorpius – Cosmic Reflections
Webb Deep-Sky Society: Double Star of the Month Archive 2021
Kappa Coronae Borealis - Wikiwand
4. Choose a Constellation: | Star-Splitters | Page 7
Double and Multiple Stars
Webb Deep-Sky Society: Double Star of the Month Archive 2021
Kappa Draconis - Wikipedia
カシオペヤ座カッパ星 - Wikiwand
Kappa Lyrae - Wikiwand
