Deep sky objects are non-stellar astronomical objects that can be seen in the night sky. As telescopes have improved, these faint objects have been broken into more descriptive scientific classifications such as interstellar clouds, star clusters, and galaxies.
Includes deep sky objects and solar system CCD galleries, techniques and resources, and equipment.
Provides images from the catalog of 338 peculiar galaxy views gathered by Dr. Halton C. Arp in his Atlas of Peculiar Galaxies.
Sketches of astronomical objects made at the telescope by Michael Geldorp.
Includes 100 peculiar galaxies, off the beaten path, observing galaxy clusters, the Abell planetaries, and the ultimate observing list with images.
Article on various types of deep sky objects.
Deep sky object types and classifications. Includes a Messier interactive map, pictures, constellations and observation guide.
Wiki project aiming to help amateur astronomers in planning their observing sessions. Includes more than 4,000 articles describing the appearance of various deep sky objects in instruments of all sizes.
Astronomical sketches of deep sky objects observed by Ferenc Lovro.
Sketches, scratchings, pictures, and links, and construction of piggyback camera adaptor.
A collection of my deepsky sketches and general information about deepsky objects and telesopes.
Articles, information, photos, and links about deep-sky observing.
Pointers observers should know includes sky brightness, dark adaptation, averted vision, high power, capturing color, and other tips.
Math Heijen provides a collection of visual observing reports on stars, double stars and open clusters.
Contains information, challenges, galaxy clusters, globular clusters, open star clusters, naked eye observations, observing planetary nebulae, the Milky Way, and star hopping.
International society of amateur and professional astronomers specializing in the observation of deep sky objects. Includes a forum where members can communicate and publish the results of their observations.
Galleries of sketches, legend, projects, publications, and links.
Thanks to DMOZ, which built a great web directory for nearly two decades and freely shared it with the web. About us