Explore Andromeda, Triangulum and Perseus | Orion Telescopes: Articles
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How to observe galaxies
Apparent magnitude - Wikipedia
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How to See Galaxies with Your Telescope [For Beginners] | OPT Telescopes
Measuring the Milky Way
Record-breaking dwarf satellite galaxy of the Milky Way discovered – Astronomy Now
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How to See Galaxies with Your Telescope [For Beginners] | OPT Telescopes
Locate the Andromeda Galaxy and see it through a telescope
The star that changed the cosmos: M31-V1
What is Magnitude in Astronomy? Definition, Examples • Astro Photons
Messier 51 (The Whirlpool Galaxy) - NASA Science
