The document discusses what objects are visible using different types of astronomical equipment under dark sky conditions. It provides recommendations on the types of telescopes and binoculars needed to view various astronomical objects like planets, comets, asteroids, nebulae, galaxies, and clusters. Specific objects that are relatively easy to observe with small or medium equipment are listed, such as the Andromeda Galaxy, Orion Nebula, Hercules Globular Cluster, and the Double Cluster in open clusters. Recommendations are also given on viewing planets both naked-eye and through telescopes of different sizes.