Some useful websites:

Large scale structure of the universe:

         http://cfa-www.harvard.edu/~huchra/zcat/
         http://www.damtp.cam.ac.uk/user/gr/public/gal_lss.html


Milky Way

         http://adc.gsfc.nasa.gov/mw/mmw_allsky.html
         http://adc.gsfc.nasa.gov/mw/milkyway.html  and further links
         http://www.seds.org/messier/more/mw.html
         http://www.damtp.cam.ac.uk/user/gr/public/gal_milky.html


Local Supercluster

         http://www.anzwers.org/free/universe/virgo.html
         http://www.seds.org/Maps/Stars_en/Fig/virgo.html
         http://www.seds.org/messier/more/virgo.html
         http://www.wikipedia.org/wiki/Virgo_Supercluster

Radio Astronomy:

         http://www.nrao.edu/
         http://www.ncra.tifr.res.in/