Comets
- News, estimating brightness, photography, reporting discoveries, and articles.
- http://skytonight.com/observing/objects/comets/?wfx2=lh2hj34l8s

Small-Body Orbital Elements
- Provides access to orbital elements for numbered asteroids, unnumbered asteroids, and comets with element tables using a custom generator (using the current DASTCOM database) or ASCII files.
- http://ssd.jpl.nasa.gov/?sb_elem

Comet Observation Home Page
- Recent news and observations, ephemerides for current visually observable comets, finder charts and orbital diagrams, images, and information.
- http://www.calion.com/astro/nasam/marzo.htm

Comet-Images
- Posting of images with discussion of images and equipment.
- http://groups.yahoo.com/group/Comet-Images/

Comets for Beginners
- An illustrated guide to comets with a table of contents.
- http://www.sky4us.com/comets.htm

Notebook of a Comet Hunter
- Journal, tools, book list, resources, gallery, FAQ, and log index and stats.
- http://www.skyrover.net/notebook/