Double Star Sketches - Belt of Venus
Summer Triangle | A complete guide to the famous asterism | BBC Sky at Night Magazine
Alphecca (Alpha Coronae Borealis): Star System, Name, Location, Constellation | Star Facts
Calaméo - Night Sky Companion
Serpens - Wikipedia
Serpens Constellation (the Snake): Stars, Myth, Facts... – Constellation Guide
Gudja (Kappa Serpentis) Star Facts (Type, Distance, Magnitude, Colour, Location & more) - Universe Guide
Asterisms: Guide to Star Patterns in the Sky – Constellation Guide
Snaking our Way into Hercules from the Serpent: Beta and Delta Serpentis, and Kappa Herculis | Star-Splitters
Doorstep Astronomy: The Celestial Medicine Man | Space
Astronomy Encyclopedia - A Comprehensive & Authoritative A-Z Guide To The Universe | PDF | Spectral Line | Stars
4. Choose a Constellation: | Star-Splitters | Page 11
Asterisms: Guide to Star Patterns in the Sky – Constellation Guide
Serpens - Wikipedia
Serpens Constellation (the Snake): Stars, Myth, Facts... – Constellation Guide
Ghosts of extinct constellations | Astronomy.com
Snaking our Way into Hercules from the Serpent: Beta and Delta Serpentis, and Kappa Herculis | Star-Splitters
Snaking our Way into Hercules from the Serpent: Beta and Delta Serpentis, and Kappa Herculis | Star-Splitters
See Double Stars in the Night Sky: A 'Starhopping' Guide | Space
Serpens Constellation - Facts & Features - The Planets
Serpens Constellation | Facts About The Serpent - Odyssey Magazine
What's Up - The Weekend SkyWatcher's Forecast - Universe Today
Unukalhai (Alpha Serpentis): Star System, Facts, Name, Location, Constellation | Star Facts
Serpens Constellation | Facts About The Serpent - Odyssey Magazine
Serpens Constellation (the Snake): Stars, Myth, Facts... – Constellation Guide
Serpens Constellation | Constellations In The Northern Hemisphere
Gudja - κ Serpentis (kappa Serpentis) - Star in Serpens | TheSkyLive.com
