网站简介：Offers updated alphabetical list of minor planet names.
网站简介：Manufacturer of safe solar filters. Offers product gallery, FAQs, ordering, and contacts.
网站简介：Contains solar data, and images. Includes SDAC Data-Finder, current solar images, and TRACE analysis guides.
网站简介：Supplies binoculars, spotting scopes, telescopes and night vision equipment.
网站简介：Deep space objects from a light polluted suburban location and high in the dark southcentral mountains of New Mexico.
网站简介：NewsWire for the New Frontier. A news and information resource on Mars missions, technology, and the search for life on the red planet.
网站简介：A Linux-based operating system for astronomy.
网站简介：Facilities, equipment information, events and news, calendar, publications, recent results, and news.
网站简介：Astronomers etiquette, gallery calendar, store, area skies, and links located in Sunrise.
网站简介：Taiwanese manufacturer of spotting scopes, field scopes, telescopes, and binoculars.
网站简介：An international grass-roots organization dedicated to privatizing the search for extraterrestrial intelligence.
网站简介：Schedule of shows at the Maryland Science Center with information on each.
网站简介：Part of the Scienceworks Museum. Includes facility and astronomical information.
网站简介：On the De Anza College campus. History, background information, event schedule.
网站简介：Reports, news, links and images taken from spacecraft and ground based observations.
网站简介：General information, image gallery, facility schedule, documentation, observation information, documentation, and electronic forms and tools.
网站简介：Information on the society, links, beginner's pages, including simple sundial patterns and templates, online facilities to calculate hour lines for different sundial types.
网站简介：Club supporting observation, star parties, telescope design/building/improvement and astro-photography.
网站简介：An online guide to the origin, evolution, and distribution of life in the Universe as well as all other aspects of space exploration.
网站简介：General information, some statistical data and links.
网站简介：Facility schedule, calendar, resources, equipment and instrument information, available filters, printable log sheets, and bulletins.
网站简介：General information, some statistical data and links.
网站简介：The INDI library provides a framework for control and automation of astronomical instruments.
网站简介：Eclipse chasing history, about solar eclipses, photography of eclipses, and a gallery of images..
网站简介：Operates the Anglo-Australian and UK Schmidt telescopes on behalf of the astronomical communities of Australia and the UK. Find an online catalogue, astronomy preprints, newsletters, links to astronomy journals, and a thesaurus of astronomy terms.