Wallpaper author:
    Michelle Ashford

    17 Jul 2026

    RCW 75

    RCW 75 (catalogued as Gum 48a) is an active HII emission nebula and star-forming region located in the southern constellation of Centaurus. Situated roughly 6,500 light-years from Earth, it features a stunning "elephant trunk" dark nebula, brilliant ionised gas, and active embedded star clusters. At the tip of this trunk, radiation-driven implosions have formed faint blue reflection nebulae known as VdBH 60.

    The nebula's glow is primarily powered by ‘Stock 16’, a very young open star cluster (only 3 to 6 million years old).

    Pixinsight, Blur Exterminator, Affinity 2, Star Exterminator, Topaz De-Noise

    Dataset from which the image was processed

    RCW 75

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    RCW 75