http://www.strw.leidenuniv.nl/~moldata/
http://www.nist.gov/pml/data/micro/index.cfm
http://archive.eso.org/apps/mag2flux/
http://www.submm.caltech.edu/cso/weather/atplot.shtml
http://www.eso.org/sci/facilities/alma/observing/tools/etc/
http://skyview.gsfc.nasa.gov/cgi-bin/query.pl
http://www.cv.nrao.edu/nvss/postage.shtml
http://smoka.nao.ac.jp/search.jsp
http://aladin.u-strasbg.fr/aladin.gml