星空有约|丙午马年看“天马行空”

Group 1 - The article introduces various constellations and celestial bodies related to "horses," particularly focusing on Pegasus, Equuleus, and Sagittarius [1][3][10] - Pegasus is highlighted as a prominent constellation in the autumn sky, forming a quadrilateral known as the "Autumn Quadrilateral" with stars from Andromeda and Pegasus [1][3] - Equuleus, the second smallest constellation, is less noticeable in the autumn sky and is best observed in areas with low light pollution [3][6] - Sagittarius is noted for its proximity to the Milky Way's center, which contains numerous deep-sky objects, ranking first in the number of Messier objects among all constellations [3][6] Group 2 - The article mentions other horse-related celestial bodies, such as the Horsehead Nebula in Orion and the Blue Horsehead Nebula in Scorpius [9] - The article emphasizes that the Spring Festival holiday is an excellent time to observe constellations like Centaurus and the Horsehead Nebula, while Pegasus and Sagittarius are not currently visible due to seasonal changes [10]