Periodici Scritto in Link Astronomy Coelum Home Page Le Stelle Nuovo Orione Sky & Telescope – Home Page
Comet C/1995 O1 (Hale-Bopp) Scritto in Pubblicazioni IAUC 6421 available at Central Bureau for Astronomical Telegrams.
Ricerca lastre Scritto in Link <a href="http://afa.astrofili.org/AfaQuery.php" >AFA – Ricerca Lastre Amatoriali</a><br /> <a href="http://archive.stsci.edu/cgi-bin/dss_plate_finder" >DSS – Ricerca Lastre Palomar</a><br /> <a href="http://archive.eso.org/dss/dss/" >ESO – Ricerca Lastre POSS II</a><br /> <a href="http://archive.stsci.edu/cgi-bin/dss_form" >POSS-POSS II – Lastre POSSI e POSSII</a><br /> <a href="http://skys.gsfc.nasa.gov/skymorph/skymorph.html" >SKYMORPH – Home Page</a><br /> <a href="http://skys.gsfc.nasa.gov/skymorph/obs.html" >SKYMORPH – Ricerca Lastre data la Posizione</a><br /> <a… continua