The M95 galaxy, the Sunflower Galaxy (also known as NGC 5055), is located in the constellation Canes Venatici. It is a spiral galaxy 29 million light years away. The galaxy is active (weakly), which means it is producing stars in the red regions. Those regions are hydrogen emissions (hydrogen-alpha).
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The Leo Triplet (M65, M66 and NGC 3628) is a group of galaxies roughly 35 million light years away. The galaxy NGC 3628 is sometimes referred to as the Hamburger Galaxy.
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One of the more advanced and challenging workflows is to remove the stars from astronomical images. Why would you do this? Stars are part of the deep sky image.
An astro photo, especially nebula photos, takes on a whole new look when the stars are removed. You are able to see more detail and more structure.
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