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Astro Thoughts

The Cosmic Free Lunch

...right through our telescopes. When we look at deep-sky objects from the Northern and Southern Hemispheres, we are looking at primordial matter neatly arranged against the empty void: The Andromeda Galaxy...

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The Free Spirit of the Cosmos: Mapping the Night Sky and Caroline

...Satellite Galaxy M110 (NGC 205): Mapped by Caroline Herschel on August 27, 1783, this elliptical galaxy sits as a prominent companion to the grand Andromeda Galaxy. When capturing wide-field data of...

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Islands of Light: Mapping the Deep Sky and Isla

...distant spiral structures as "island universes." They viewed them as isolated, self-contained systems of matter drifting in an otherwise empty cosmic ocean.The Andromeda Galaxy (M31) in the Northern Hemisphere is perhaps...

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Gallery: Northern Celestial Hemisphere

...of Whirlpool Galaxy (M51/NGC 5194), 31 million light-years distant, spiral galaxy interacting with its companion galaxy, NGC 5195. Dumbbell Nebula (M27), planetary nebula, 1,300 light-years distant, expanding shell of ionized gas...

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Collection: Galaxies

...distant. Colour image of Whirlpool Galaxy (M51/NGC 5194), 31 million light-years distant, spiral galaxy interacting with its companion galaxy, NGC 5195. Andromeda Galaxy (M31), 2.5 million light-years distant, containing 1 trillion...

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What is Astrophotograhy

...mostly observed in our own galaxy, the Milky Way, but can also be observed in nearby galaxies, e.g., the Andromeda Galaxy; and,Other galaxies, gravitationally bound systems containing millions to trillions of...

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Northern Celestial Hemisphere

...different parts of the cosmos throughout the year, making certain objects visible only during specific seasons.  For example, in the image below, you will find the Andromeda galaxy (M31) in red towards...

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The Vanishing Cosmos: The Scientific and Cultural Crisis of Light Pollution

...to meticulously calculate planetary motions and catalogue stellar coordinates. They tracked the deep-sky treasures of the Northern Hemisphere, embedding their cosmic observations into complex mythologies. The Andromeda Galaxy, our cosmic neighbour,...

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The AI Revolution in astrophotography: from deep-sky imaging to website publishing

...quite high-resolution data, sharpening edges and reducing artefacts seamlessly, gigapixel creates crisper prints for larger-format displays.  I have adjusted some of my images with Adobe Photoshop’s Firefly AI engine via Generative...

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