- Catch Comet McNaught Now
- Sky & Telescope article about when your best opportunities to catch Comet 2006 P1 McNaught in its full glory are. - Comet 1999 H1 (Lee)
- Steve Lee, an Australian amateur astronomer, recounts how he discovered the comet. - Comet Holmes Photo Gallery
- Comet 17P/Holmes shocked astronomers on Oct. 24, 2007, with a spectacular eruption, becoming a naked-eye object in the evening sky. See photos submitted from around the world. - Comet McNaught Photo Gallery
- Spaceweather.com offers a gallery of images, submitted from around the world, capturing Comet McNaught (C/2006 P1) in the January sky. - Cometography.com
 - Gary W. Kronk 's comet chasing guide for stargazers provides information about current and future comets, catalogue of periodic comets, information about the orbits of comets, as well as profiles of memorable comets of the past. - Comets - Sky & Telescope
- Collection of articles addressing how to estimate a comet's brightness, how to photograph one, and how to report a comet discovery. - Comets and Meteors Workshop (CMW)
- Working with members all over Poland to collect and analyze observational data that deals with meteors. Also in Polish. - Gary W. Kronk's Comets & Meteor Showers
 - Comet and meteor shower facts and viewing calendar, professional and amateur observations, and historical research compiled by Gary W. Kronk. - International Comet Quarterly
- Information regarding news, observations, orbital data, designations and names, and more regarding comets and related topics. - JPL Comet Observation Page
- Includes recent news, observations, and images of comets. Also provides some generally accepted definitions for terms related to cometary astronomy. - NSSDC: Asteroids and Comets
- Collection of asteroid fact sheets, images, and mission information from NASA. - Views of the Solar System: Comet Introduction
- Learn about the small, fragile, irregularly shaped celestial bodies composed of a mixture of non-volatile grains and frozen gases.
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