An atlas of the Universe

http://www.atlasdouniverso.hpg.ig.com.br

Indexes of maps of the planets and satellites

wwwflag.wr.usgs.gov/USGSFlag/Space/mapbook/TOC_nf.html

Planetary cartography and graphics

http://ralphaeschliman.com/id20.htm

Skymaps

http://www.skymaps.com

Your sky

http://www.fourmilab.ch/yoursky