Messier 28 (M28) is a globular cluster located in the constellation Sagittarius. Discovered by French astronomer Charles Messier in 1764, this dense collection of stars is one of the many globular clusters orbiting the Milky Way. It is about 18,000 light-years away from Earth, making it a relatively distant member of the Messier catalog. Despite its distance, M28 is visible with a small telescope, and even binoculars can reveal its presence in the sky.

Messier 25 (M25), also designated as IC 4725, is an open star cluster in the constellation of Sagittarius. It was discovered by Philippe Loys de Chéseaux in 1745 and included in Charles Messier's catalog in 1764. The cluster boasts an impressive array of over 600 stars, spanning a diameter of about 19 light-years. Situated approximately 2,000 light-years from Earth, M25's stars are relatively young, averaging 90 million years old. The cluster predominantly consists of luminous, hot, blue-white stars, with several evolved red giants contributing to its varied composition.

Messier 24, also known as the Sagittarius Star Cloud, is a vast star cluster located in the constellation Sagittarius. Unlike many objects in Charles Messier's catalog, M24 isn't a singular astronomical object like a galaxy, nebula, or star cluster. Instead, it’s a dense star field that stretches over 600 light-years across, filled with tens of thousands of stars. This window into the Milky Way’s spiral arm reveals a part of the galaxy relatively unobstructed by interstellar dust, providing a spectacular view of stars packed together like glittering diamonds.

Messier 23 (M23), also known as NGC 6494, is a bright open cluster located in the constellation Sagittarius. It lies at a distance of approximately 2,150 light-years from Earth and spans about 15-20 light-years across. M23 is composed of around 150 to 200 stars, many of which are relatively young, shining brightly with blue and white hues. This cluster offers a stunning view through small telescopes, revealing a rich, scattered pattern of stars.

Messier 22, also known as M22 or NGC 6656, is a remarkable globular cluster situated in the constellation Sagittarius. Globular clusters are densely packed groups of stars that orbit the Milky Way’s halo, and M22 is one of the most magnificent examples. Containing over 100,000 stars, this cluster lies approximately 10,600 light-years away from Earth and spans about 97 light-years in diameter. Its compact nature and high concentration of stars give M22 a stunning appearance when viewed through telescopes.

Messier 21 (M21), also known as NGC 6531, is an open star cluster located in the constellation Sagittarius. Discovered by Charles Messier in 1764, M21 is a relatively young cluster, estimated to be around 4.6 million years old. This cluster contains about 57 confirmed stars, with many being massive, hot, and luminous. Though not as famous as its neighbor, the Trifid Nebula (M20), M21 offers amateur astronomers a splendid view of stars scattered in a compact region.

Messier 20, also known as the Trifid Nebula, is a fascinating celestial object that combines several types of nebulae into one region of space. Located in the constellation Sagittarius, the Trifid Nebula gets its name from its distinctive three-lobed appearance, where dark dust lanes divide the nebula into three bright sections. This object is a combination of an emission nebula, a reflection nebula, and a dark nebula, making it a dynamic and colorful region of space.

Messier 18 (M18) is a beautiful open star cluster located in the constellation Sagittarius. Discovered by Charles Messier in 1764, it became the 18th entry in his famous catalog of deep-sky objects. Although not as prominent as some other clusters in Sagittarius, M18 is a fascinating target for amateur astronomers, offering a glimpse into the younger regions of our galaxy. With its collection of bright stars, M18 stands out as a notable cluster in the Milky Way's disk.

Messier 17 (M17), commonly known as the Omega Nebula, Swan Nebula, or Horseshoe Nebula, is one of the most beautiful star-forming regions in the Milky Way. Located in the constellation Sagittarius, this emission nebula is a vast cloud of gas and dust, home to young, hot stars that emit intense ultraviolet light, causing the surrounding gas to glow brightly. M17's glowing gases create stunning shapes that resemble swans, horseshoes, or even the Greek letter Omega (Ω), depending on your perspective.

Messier 8, also known as the Lagoon Nebula, is a vast interstellar cloud in the constellation Sagittarius. It is a prominent star-forming region approximately 4,100 light-years from Earth. The nebula is a dazzling sight, showcasing a bright core surrounded by intricate dust lanes and glowing gas. The Lagoon Nebula spans around 110 light-years in diameter, making it one of the largest star-forming regions visible in our galaxy. Within the nebula, young stars illuminate the gas, and the stellar winds shape the dust into stunning structures.