- Arkansas Sky Observatory - Comet and minor planet astrometry and photometry, including NEO's and PHA's.
- Crni Vrh Observatory - Asteroid and comet observation at Crni Vrh Observatory, Slovenia.
- Great Shefford Observatory - Private observatory used primarily for observations of near-Earth asteroids and poorly observed comets.
- Klet Observatory - Observatory in the Czech Republic used for study of asteroids, comets, and in particular, near Earth objects.
- Private Observatory Meyer/Obermair - Privately owned and funded facility concentrating on follow-up observations of unusual minor planets.
- Sormano Astronomical Observatory - Asteroid, comet, and meteor images, computations of close approaches, history articles.
- The Spacewatch Project - The primary goal of Spacewatch is the study of statistics of comets and asteroids in order to investigate the collisional evolution of the solar system.
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