To play 720p HD video, an iTunes LP, or iTunes Extras, a 2.0GHz Intel Core 2 Duo or faster processor, 1GB of RAM, and an Intel GMA X3000, ATI Radeon X1300, or NVIDIA GeForce 6150 or better is required.To play standard-definition video from the iTunes Store, an Intel Pentium D or faster processor, 512MB of RAM, and a DirectX 9.0–compatible video card is required.PC with a 1GHz Intel or AMD processor with support for SSE2 and 512MB of RAM.* Star numbers and deep sky object names. ![]() * Grid lines and co-ordinates for every hour of Right Ascension and 10º of Declination. * Constellations boundaries for all 88 constellations. * Search charts by constellation or major star name.īasic default maps show constellation names, constellation lines and major star names only. * Charts can shown north up or south up to match your location. * Choice of positive charts (white on black, recommended to preserve night vision) or negative (black on white – easier to read and better for daytime use.) * Auto detection of your location and presentation of the chart containing the sky directly overhead. * All Messier objects, plus many NGC and IC catalogue objects. * Stars down to sixth magnitude double and variable stars included. Prepared by famous celestial cartographer Wil Tirion, they present the entire sky in the form of 18 charts, 16 covering the equatorial region of the sky (8 each side of the celestial equator) and one for each of the Polar Regions. These are serious Star Charts! Not a planetarium-type app suitable for beginners, but rather a very detailed series of charts of the night sky for observers using binoculars or a telescope.
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