Would you like to learn how to observe the sky? Would you like to identify constellations and planets, find your way around with a star chart, or locate galaxies, clusters, and nebulae? Do you have a telescope stored in the closet because you don't know how to use it? Look up: the universe is waiting for you. Becoming an amateur astronomer is easier than you think. You don't need complex knowledge, expensive instruments, or countless hours of practice. This book is a practical manual for learning, step by step, how to explore the night sky. Ángel Molina, amateur astronomer and creator of the successful popular science account El Diario del Astrónomo (The Astronomer's Diary), will guide you on an exciting journey through the universe. By the end of the book, the celestial vault will no longer be a mystery: you will recognize the main stars and master tricks that will even allow you to make observations useful to science. You will discover the possibilities of observation with the naked eye, the usefulness of binoculars, and finally, you will learn how to use different types of telescopes to scrutinize every corner of the cosmos. In addition, the author will introduce you to the fascinating world of astrophotography, so you can capture the magic of planets and stars, even with your own cell phone. This book puts the universe at your fingertips. Turn off the lights and get ready: your journey as an astronomer begins here. "I have written the book that I would have liked to read when I took my first steps as an astronomer. In it, you will find all the tricks and secrets to learn faster and better." Ángel Molina