5.1: Altitude and Azimuth – Your Place in the Sky – Physics LibreTexts August 16, 2022 by Michael Dean https://phys.libretexts.org/Bookshelves/Astronomy__Cosmology/Astronomy_for_Educators_(Barth)/05%3A_Measuring_and_Mapping_the_Sky/5.01%3A_Altitude_and_Azimuth__Your_Place_in_the_Sky
