> The astronomy charts are more in the pretty category. What are these white borders he's drawn all over the sky and how do these subdivisions help me? I legit

> The astronomy charts are more in the pretty category. What are these white borders he's drawn all over the sky and how do these subdivisions help me? I legit don't know. They are delimiting the constellations: https://en.wikipedia.org/wiki/IAU_designated_constellations https://en.wikipedia.org/wiki/IAU_designated_constellations