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Showing posts from January, 2025

Astronomical Repositories

  Astronomical Repositories serve as vital resources for researchers, educators, and astronomy enthusiasts, providing access to invaluable data across multiple wavelengths and celestial phenomena. Below is a comprehensive list of notable astronomical repositories , along with their web URLs and brief descriptions: Repository Name Website Description NASA/IPAC Extragalactic Database (NED) https://ned.ipac.caltech.edu/ A database providing extensive information about extragalactic objects, including galaxies, quasars, and clusters, with cross-references. SIMBAD Astronomical Database http://simbad.u-strasbg.fr/ A comprehensive database for identifying and querying astronomical objects like stars, galaxies, and exoplanets. Vizier Catalog Access Tool https://vizier.u-strasbg.fr/ Offers access to thousands of astronomical catalogs and tables, covering all domains of astronomy. Aladin Sky Atlas https://aladin.u-strasbg.fr/ An interactive sky atlas for visualizin...

Telescope Aperture v/s Visible Astronomy Objects

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 Below is the Interesting table to help you identify which Astronomy Objects would be visible using specific aperture of Telescope. Key Points: 1-3 inches : Great for planets, the Moon, and bright stars. Ideal for beginners. 4-6 inches : Start seeing deep-sky objects, including nebulae and galaxies. 8-10 inches : Excellent for detail on planets and deep-sky exploration. 12-16 inches : Advanced deep-sky observation and faint galaxies. 18-20 inches : Professional-level observation, capable of detecting faint cosmic phenomena like gravitational lensing. Credits-Chatgpt Prompt-create a table, which will range all inches of telescope from 1 inch till 20 inches - the table should contain column - telescope inches, astronomy objects visibles