Spiral Galaxy M51, in Canes Venatici

            Taken 2024, 06-08. No sharpening or noise reduction. Other than stretching the contrast and stacking 26 images (3 minutes each), the only processing that I did was to remove an inordinate amount of satellite trails.

Meade 2120 LX5. Canon t2i DSLR. Manually guided. No "frames" just images that I aligned myself, and stacked.
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Discovered by Charles Messier on October 13, 1773, the "Whirlpool Galaxy" was thought to maybe be a relatively nearby nebula in our own galaxy. It wasn't until 1924 that Edwin Hubble proved that our own Milky Way galaxy wasn't the entire universe, and that many of these so-called "nebulae" were actually other galaxies that were millions of light-years away from Earth.

M51 lies 31 million light-years away (roughly 186 trillion miles), in the Constellation of Canes Venatici (the Hunting Dogs). It can be spotted in small telescopes "right next to" the end star in the handle of The Big Dipper. It is estimated that there are 100 billion stars (100,000,000,000) in the galaxy.
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Taken on: June 30, 2024

Tags:

M51

Canes Venatici

2120 LX5

Astronomy

Astrophotography

Canon

DSLR

t2i

space

Galaxy

Whirlpool Galaxy

Spring

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Sets appears in: • Astrophotography

Groups appears in: • Astrophotography - Astronomy - Astrophysics • Astronomy more » • Deep Space Astrophotography • BBC Sky at Night and Stargazing Live • Astrophotography - The Solar System and Beyond « less

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