HED Stargazing is a free online stargazing app that allows users to view the night sky from anywhere in the world. It features a wide range of filters and effects, such as planets, galaxies, and constellations, to help users identify different objects in the sky. HED Stargazing also provides detailed information about each object, including its size, distance, and brightness. Additionally, it offers interactive features like star maps and stargazer guides to help users learn more about the universe. Overall, HED Stargazing is an excellent tool for anyone who loves the night sky and wants to explore the wonders of space.