Category: Messier’s Catalog

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MM101 – The Pinwheel Galaxy

  • 2025-04-26
The Pinwheel Galaxy (Messier 101, NGC 5457) is a spectacular face-on spiral galaxy in the constellation Ursa Major, located about 21 ± 0.8 million light-years from Earth. With a vast diameter of around 170,000 light-years, it is almost twice as large as the Milky Way, making it one of the largest disk galaxies in our…
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M51 – The Whirlpool Galaxy

  • 2025-04-12
Session Details – Backyard Imaging of M51 This particular image of M51 was captured from my own backyard observatory, located under Bortle Class 4 skies — dark enough to reveal the galaxy’s core and inner arms visually through the telescope, yet still with some light pollution glow on the horizon. The night offered excellent transparency…