Sh2-157, the Lobster Claw Nebula, is an emission nebula in Cassiopeia known for its distinctive arc shape and vivid colors. Its mix of glowing gas, dark dust lanes, and embedded stars makes it both scientifically intriguing and visually striking. Even with amateur equipment, its fine details emerge under dark skies, showcasing the power of careful imaging and sky preservation. This target is a strong candidate for the "Deep Sky Observations" category, highlighting the beauty of our universe and the importance of protecting the night.
