StarCalc is a compact planetarium program that provides the opportunity to explore the starry sky and the location of objects on specific dates and from a particular angle. There is no restriction on how much you can observe in the astronomical hemisphere. zooms in and out not only, but also zooms in and out, and you can rotate the image through different angles, saving the document and even printing it out from disk. In this program you'll be able to explore Horizon, Horizontal Grid, Equatorial Grid, Constellation Boundaries, Constellation Lines, Constellation Names, Own Star Names, Bright Star Catalogue, Galaxies, Jetstops, Clusters, Cluster Name, Sun, Moon, and Planets. StarCalc has a simple and accessible interface, most of the operations are performed with the help of "mouse" or "hot keys".