Messier Marathon (Popularity: )

Includes instructions, biography, dates, timeline, posters, NASA tv, and links and information.

The NGC/IC Project (Popularity: )

An attempt to correctly identify all the original objects, starting with the original discoverer's notes ...

The Messier Catalog (Popularity: )

Images and galleries, marathoner list, and new nebula and supernovae.

Challenging Observing Projects for Amateur Astronomers (Popularity: )

Includes 100 peculiar galaxies, off the beaten path, observing galaxy clusters, the Abell planetaries, and ...

Amazing Astronomy Photos and Images (Popularity: )

Galleries of solar system, cluster, nebula, and galaxy galleries.

Messier45 (Popularity: )

News, observing guide, references, download, deep sky maplet, list generator, other tools, and help guide.

View-tah's Astronomy Pages - Deep Sky (Popularity: )

Information, images, charts for the Messier, Caldwell, NGC, and Hubble with search tool.

Ian's Astro Page (Popularity: )

Sketches, scratchings, pictures, and links, and construction of piggyback camera adaptor.

A CCD Tour of the Universe (Popularity: )

Includes deep sky objects and solar system ccd galleries, techniques and resources, and equipment.

Impressions of the Deep Sky (Popularity: )

Gallery of sketches, links, and sketches upload area..

List of Common Deep Sky Catalogs (Popularity: )

General, supernova remnants, planetary nebulae, diffuse nebulae, dark nebulae, open clusters, globular clusters, galaxies, clusters ...

Deep Sky Collections and Catalogs (Popularity: )

Links to deep-sky catalogs and observing lists.

Arp's Catalog Of Peculiar Galaxies (Popularity: )

Summarizes catalog of 338 views gathered by Dr. Halton C. Arp.

Bangkok Deep-Sky Objects Observing (Popularity: )

Contains observations, sketches, and information.

Iiro's DeepSky Sketches (Popularity: )

General information, astronomical pictures, sketches, observation reports, objects, and telescope information.

Deep-Sky Org (Popularity: )

Features a reference of Messier objects, telescope information, images, and deep-sky links.

Astronomy Made Easy (Popularity: )

Gear, autostar, astrophotos, LXD%% care, and links.

Ray Cash's Deep-Sky Page (Popularity: )

Articles, information, photos, and links about deep-sky observing.

The National Deep Sky Observers Society (Popularity: )

Contains information, challenges, galaxy clusters, globular clusters, open star clusters, naked eye observations, observing planetary ...

Deep-Sky Objects through Telescopes (Popularity: )

Drawings and sketches with information and links.