Sitios

NED - English
URL: http://nedwww.ipac.caltech.edu/index.html

NASA/IPAC_E[tragalactic Database. Several million names , objects , references to 43,000 papers , photometric measurements . Thousands of edshifts, FITS images ,notes , abstracts.

[ eng ]

Galactic and Extragalactic objects - English
URL: http://bima.astro.umd.edu/nemo/manual/node45.html

From the NEMO - a Stellar Dynamics Toolbox

[ eng ]