Sky map onlineSky map online - for those Lovers of astronomy, who are looking into the telescope. This online planetarium shows the major stars and nebulous objects at a given time over this place.
To use a starry Sky Map online, it is necessary to know the geographic coordinates of the place of observation...
Messier catalogMessier catalog - the most popular catalog of galaxies and nebulae, especially for beginners.
In this catalog the brightest objects of the Deep Space are collected, which are accessible for observation in amateur telescopes.
Messier catalog includes 110 galaxies, star clusters and nebulae...
NGC/IC catalogNGC/IC catalog - (New General Catalogue) includes 13166 galaxies, nebulae and other objects. NGC original catalog was compiled by John Ludwig Emil Dreyer in 1880, based largely on observations by William Herschel.
Here we have used the refined modern version of this catalog - RNGC, contains 13958 entries... more>>>
Nikolay Kurdyapin, astro-map.com
At a reprint of materials from this site link to the astro-map.com obligatory.