Apparent magnitude - Wikipedia
Record-breaking dwarf satellite galaxy of the Milky Way discovered – Astronomy Now
Two Bright Supernovae Light Up Nearby Galaxies - Sky & Telescope - Sky & Telescope
Messier 64 (The Black Eye Galaxy) | NASA
Two Weeks In, the Webb Space Telescope Is Reshaping Astronomy | Quanta Magazine
Why can't we see the center of the Milky Way?
How to observe galaxies | Astronomy.com
Messier 104 (The Sombrero Galaxy) | NASA
How Many Galaxies Are There? | Space
SDSS SkyServer DR12
8 Deep-Sky Targets for Galaxy Season | Astrophotography
The Andromeda Galaxy | Our Local Group of Galaxies has two l… | Flickr
7 galaxies to observe in the night sky | BBC Sky at Night Magazine
Moon and Andromeda: Relative size in the sky.
The Sombrero Galaxy (M104) | Pictures, Location and Interesting Facts
How to observe galaxies | Astronomy.com
Andromeda – Planetary Sciences, Inc.
How to see the Andromeda Galaxy | BBC Sky at Night Magazine
Resolving Andromeda — How to See Stars 2.5 Million Light-Years Away - Sky & Telescope
Hubble's Deepest View of the Universe Unveils Bewildering Galaxies across Billions of Years
How to see the Andromeda Galaxy | BBC Sky at Night Magazine
The sky's best elliptical galaxies | Astronomy.com
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How to See Galaxies with Your Telescope [For Beginners] | OPT Telescopes
Messier 51 (The Whirlpool Galaxy) | NASA
