See also:

• Science: Astronomy: Data Archives  (74)

• Arp's Catalog Of Peculiar Galaxies - Summarizes catalog of 338 views.
• Astronomical Sketches - Sketches of astronomical objects I made at the telescope.
• Astronomy Made Easy - Gear, autostar, astrophotos, LXD55 care, and links.
• Bangkok Deep-Sky Objects Observing - Contains observations, sketches, and information.
• A CCD Tour of the Universe - Includes deep sky objects and solar system CCD galleries, techniques and resources, and equipment.
• Challenging Observing Projects for Amateur Astronomers - Includes 100 peculiar galaxies, off the beaten path, observing galaxy clusters, the Abell planetaries, and the ultimate observing list with images.
• Deep Sky - Sketching and Observing - Gallery of sketches, links, and sketches upload area..
• Deep Sky Collections and Catalogs - Links and observing lists.
• Deep Sky Intro - Article on various types of deep sky objects.
• Deep Sky Observing - Deep sky object types and classifications. Includes a Messier interactive map, pictures, constellations and observation guide.
• Deepsky Observer's Companion - Tutorials, chart index, discussions, certificates, and resources.
• Deepsky Observer's Companion - Tutorials, chart index, discussions, certificates, and resources.
• Drawings of Astronomical Objects - Collection of deep-sky and solar system objects.
• Ian's Astro Page - Sketches, scratchings, pictures, and links, and construction of piggyback camera adaptor.
• Iiro's DeepSky Sketches - A collection of my deepsky sketches and general information about deepsky objects and telesopes.
• List of Common Deep Sky Catalogs - General, supernova remnants, planetary nebulae, diffuse nebulae, dark nebulae, open clusters, globular clusters, galaxies, clusters of galaxies, double stars, and references.
• Messier45 - Observing guide, articles, Messier Gallery, Herschel 400 and Deep Sky Browser which allows the ability to search deep sky objects and view maps and images of over 600,000 objects.
• The Messier Catalog - Images and galleries, marathoner list, and new nebula and supernovae.
• Messier Marathon - Includes instructions, biography, dates, timeline, posters, NASA tv, and links and information.
• The National Deep Sky Observers Society - Contains information, challenges, galaxy clusters, globular clusters, open star clusters, naked eye observations, observing planetary nebulae, the Milky Way, and star hopping.
• NetAstro Catalog - The Internet Amateur Astronomers Catalog (IAAC), a mailing list for deep sky observers of all levels.
• The NGC/IC Project - An attempt to correctly identify all the original objects, starting with the original discoverer's notes and working forward in time to encompass the work of contemporary astronomers, both professional and amateur.
• Ray Cash's Deep-Sky Page - Articles, information, photos, and links about deep-sky observing.
• The Searchable Universe - Celestial object catalogs providing links to information.
• Secrets of Deep-Sky Observing - Pointers observers should know includes sky brightness, dark adaptation, averted vision, high power, capturing color, and other tips.
• View-tah's Astronomy Pages - Deep Sky - Information, images, charts for the Messier, Caldwell, NGC, and Hubble with search tool.
• Visual Deep Sky Observing - Galleries of sketches, legend, projects, publications, and links.