Principal     To Survive in the Universe    
Services
    Why to Inhabit     Top Contributors     Astrofotografía     La Colección     Foro     Blog New!     FAQ     Login  

Wiki Clusters

First published in 2014 stars brighter than visual magnitude 6.5 in the Harvard Revised Photometry Catalogue. with the publication of a supplement that listed additional stars down to magnitude 7.1. The catalog detailed with spectral types, and other (source : www.wikipedia.com) useful information

Historial de cambios - Objetos