Linux/Unix Windows 10 and above macOS 11.0 and above.Mouse, Touchpad or similar pointing device.3D graphics card which supports OpenGL 2.1 and GLSL 1.3 or OpenGL ES 2.0.Linux/Unix Windows 7 and above macOS 10.15 and above.D/L/Nakota and Ojibwe skycultures withdrawn.add your own deep sky objects, landscapes, constellation images, scripts.ability to add new solar system objects from online resources.plugin system adding artifical satellites, ocular simulation, telescope control and more.skinnable landscapes with spheric panorama projection.graphical interface and extensive keyboard control.spheric mirror projection for your own low-cost dome.

fisheye projection for planetarium domes.very realistic atmosphere, sunrise and sunset.images of nebulae (full Messier catalogue).constellations for 40+ different cultures.asterisms and illustrations of the constellations.extra catalogue with more than 1 million deep-sky objects.default catalogue of over 80,000 deep-sky objects.extra catalogues with more than 177 million stars.

default catalogue of over 600,000 stars.

Western digital software mac os 10.12