Okay, so imagine you wanted to go on a trip to see some really cool things in the sky, like stars and planets and galaxies. The problem is, there are so many things up there and you might not know how to find them all. Here's where deep-sky planner comes in!
Deep-sky planner is like a map that shows you where all the cool things in the sky are located. But it's not just any map, it's a really special one that you can use on your computer or phone. You type in where you are (like your city or town), and deep-sky planner shows you everything that you can see from there.
It also helps you plan your trip by telling you the best times to look for certain things, like when a planet will be really bright or when a meteor shower will happen. This way you don't miss anything cool! Plus, deep-sky planner has pictures and descriptions of all the things you can see. This helps you understand more about what you're looking at and makes it even more fun.
So basically, deep-sky planner is a tool that helps you plan your trip to see all the cool things in the sky, tells you where to look and when, and gives you more information about what you're seeing. It's like having a really smart friend who knows everything about space!