Please list sites describing major scientific research projects being carried out by individuals or groups of skilled, motivated amateur astronomers.

This category does not list amateur or amateur/professional organizations such as the International Occultation Timing Association (IOTA) or the American Association Of Variable Star Observers (AAVSO). These are listed in Science/Astronomy/Associations .

Since virtually all amateur organizations listed in Science/Astronomy/Associations do contribute to science, their wholesale inclusion in this category would be redundant; instead, they are included via a symbolic @link.

Please list sites specifically for amateur telescope making (ATM) as well as any of the parts or accessories belonging to a telescope.

For sites not in English, please list in the appropriate World category.

Please list sites that assist amateur astrophotographers learn and refine their techniques for both film and CCD imaging.

This category pertains to technique.

Sites that mainly present a gallery of astro-images should be placed in Science/Astronomy/Amateur/Astrophotography/Images

For sites not in English, please list in the appropriate World category.

We are actively looking for web sites that contain beginner information, telescope purchase information, or how to start observing.

For sites not in English, please list in the appropriate World category.

Please list sites pertaining to astronomy with the use of binoculars.

For sites not in English, please list in the appropriate World category.

Please list sites specifically for chats and forums on all facets of amateur astronomy.

For sites not in English, please list in the appropriate World category.

Please list sites specifically for astronomy items that are for sale in classifieds.

Items on sale might be telescopes, parts, accessories, cameras and accessories, software, books, and all other items pertaining to astronomy.

For sites not in English, please list in the appropriate World category.

Please list sites that contribute astronomical information on the constellations.

For sites not in English, please list in the appropriate World category.

Please list sites that contribute information on deep sky observing.

For sites not in English, please list in the appropriate World category.

Please submit only websites that have English language content to this category. If your site is in a language other than English, please submit it to the appropriate category of World.

Please list the sites of amateur observatories.

The observatories are not professional nor institutional.

For sites not in English, please list in the appropriate World category.

Please list sites specifically for groups of amateur astronomy.

Groups may be listed as societies, associations, clubs, or centers.

For sites not in English, please list in the appropriate World category.

Please list sites specifically for reviews of astronomy products.

For sites not in English, please list in the appropriate World category.

Please list sites containing information on amateur radio astronomy.

For sites not in English, please list in the appropriate World category.

Please list sites that distribute information on man-made satellites.

For sites not in English, please list in the appropriate World category.

Please list sites specifically for sky calendars used for the purpose of viewing preparations.

For sites not in English, please list in the appropriate World category.

Please list sites specifically for sky maps and atlases used for the purpose of viewing preparations.

For sites not in English, please list in the appropriate World category.

Please list sites that contribute information on solar system observing.

For sites not in English, please list in the appropriate World category.

This category lists *amateur* spectroscopy projects only!

Amateur astronomers often record astronomical images of a quality rivaling professional telescopes. However, for a number of reasons, they have lagged behind in the field of recording spectra of astronomical sources.

This category is meant to assemble links to such projects in one place.

Please list sites that pertain to gatherings of astronomers whether day or night at events called star parties.

For sites not in English, please list in the appropriate World category.

Please submit web sites that deal with some aspect of owning or using an amateur telescope. We are looking for non-commercial pages that have information of value to an amateur purchasing or using a telescope.