✨ M101 — The Pinwheel Galaxy ✨

🔭 Scope & details:

Lights: 32x300" LRGB 24x600" LRGB

Telescope: Officina Stellare ProRC 700

Camera: FLI PL16803

Filters: Astrodon

Date: 08/06/2021

Messier 101 (NGC 5457) is one of the most spectacular face-on spiral galaxies in the nearby universe, gracefully turning in the constellation Ursa Major.

With its loosely wound spiral arms extending deep into space, M101 reveals a rich tapestry of star-forming regions, glowing H II nebulae, dark dust lanes, and countless stellar associations.

The soft golden core marks an older stellar population, while the vivid bluish arms are peppered with young, massive stars and pink knots of ionized hydrogen — clear signatures of ongoing star formation. Each arm is a story of gravity and time, shaped by interactions with neighboring galaxies and internal dynamical processes.

Seen almost perfectly face-on, M101 offers an extraordinary view into the anatomy of a grand-design spiral galaxy — a cosmic whirlpool where order and chaos coexist.

✨ Constellation: Ursa Major

📏 Distance: ~21 million light-years

💫 Apparent Magnitude: ~7.9

📐 Apparent Size: ~28′

🌌 Galaxy Type: SAB(rs)cd (grand-design spiral)

📸 Alessandro Motta

@ale_motta_astrofotografia

#M101 #PinwheelGalaxy #Messier101 #NGC5457 #SpiralGalaxy #DeepSky #Astrophotography #StarFormation #CosmicSpirals #NightSky #Universe

🌌 In its endless rotation, M101 reminds us that even on the grandest scales, the universe dances to the quiet rhythm of gravity.