Comet Hale-Bopp: Miscellaneous information
- NEW Some impressions from the First International Comet Hale-Bopp Conference (February 1998) - by R. West
- NEW Comet Hale-Bopp on the Web - A Useful Experience - poster paper by R. West at the First International Comet Hale-Bopp Conference (February 1998)
- A paper by Gabriele Cremonese and co-authors from the European Comet Hale-Bopp Team about the first observations of a third type of cometary tail (of neutral sodium) - (added on October 16, 1997)
- Longest Visibility of Ancient Comets by Jacques Sauval (updated May 21, 1997).
- A Brief History of Comets I (until 1950) (added on March 17, 1997).
- A Brief History of Comets II (1950 - 1993) (added on April 25, 1997).
- View of Orbit near Perihelion Courtesy: Dale Ireland (August 1, 1996).
- Hale-Bopp Observing Programmes (1996). A comprehensive list of planned observations by European observers (April 4, 1996)
- Length of a comet's plasma tail (April 2, 1997).