By Wil Tirion
The long-awaited moment version of Wil Tirion's excellent Sky Atlas 2000.0 bargains 43,000 extra stars, with all positions now derived from the Hipparcos database. The Atlas opens out to bare 28 charts, each 500 mm vast and 380 mm deep (20 by way of 15 inches). this huge structure permits the celebs, nebulas and galaxies to be displayed with unrivalled readability. For this variation more advantageous isophotal maps are used for the Milky means, and additional charts for crowded components of the sky were further. in the constellations, Flamsteed numbers determine the brighter stars by way of identify, whereas NGC and Messier numbers are used for non-stellar items. color coding and measurement commencement is used to visually show the utmost details on megastar varieties and brightnesses. This atlas is an essential reduction for all clients of astronomical telescopes. Copublished with Sky Publishing company.