How to find them, and the stories behind them
These are the constellations that appear on Prismtect, 24 of the 88 the International Astronomical Union recognises. Each page shows the stick figure from real star positions, how to find it, its brightest star, when to look, and its story.
The sky, country by country: a world map
Free during the beta.
On Prismtect you write any sentence, a glass prism turns it into eight numbers, and a constellation is drawn in the sky for it, with a card to keep. Your sentence is not shown on the card.
Milky Way wallpapers in 4K
A moving wallpaper you can touch (Windows)