This collection of images captures the breathtaking beauty of Sierra del Híjar, Cantabria, as seen through the different phases of twilight and the first hours of the night. Each phase, from sunset to astronomical twilight, reveals a unique aspect of this stunning landscape.

- Sunset: As the sun dips below the horizon, the sky is painted with vibrant hues of orange, pink, and purple, casting a warm glow over the rugged terrain of Sierra del Híjar.

- Civil Twilight: The sun is just below the horizon, and the sky retains a soft, pastel light. This is when the landscape is still clearly visible, and the first stars begin to twinkle.

- Nautical Twilight: The sky darkens further, with a deepening blue that marks the transition from day to night. The brighter stars and planets become more prominent, providing a guide for navigators.

- Astronomical Twilight: The sky is almost completely dark, with the last vestiges of sunlight fading away. This phase is perfect for stargazing, as the faintest stars and distant galaxies become visible.

- First Hours of Night: Complete darkness envelops the landscape, allowing the full splendor of the night sky to unfold. The Milky Way stretches across the heavens, and the constellations stand out in sharp relief against the dark canvas of space.

A panoramic view combining these different twilight phases offers a comprehensive visual experience, showcasing the gradual transition from day to night over the picturesque Sierra del Híjar. The serene beauty and tranquility of this natural spectacle highlight the stunning interplay of light and shadow across the landscape.

Captured in this wide-field frame, this image showcases the celestial ballet featuring Comet Pons-Brooks (12P), the Andromeda Galaxy (M31), the Triangulum Galaxy (M33), the Moon, and Jupiter. Against the backdrop of the night sky, Comet Pons-Brooks graces the scene as it journeys through the solar system, leaving a trail of wonder in its wake. The majestic Andromeda Galaxy, our neighboring spiral galaxy, and the Triangulum Galaxy, another member of our cosmic neighborhood, adorn the heavens with their spiral arms and stellar glow.

Adding to the cosmic spectacle, the Moon and Jupiter make their presence known, further enhancing the beauty of the scene. With its cratered surface illuminated by the Sun, the Moon serves as a familiar anchor in the night sky. Meanwhile, Jupiter, the largest planet in our solar system, shines brightly with its distinct bands of clouds and swirling storms. Together, these celestial objects offer a captivating glimpse into the vastness of the universe, reminding us of the interconnectedness of cosmic phenomena and the wonders that await exploration beyond our own world.