Free Alpha Persei Cluster photos
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Melotte 20, Alpha Persei Cluster, open cluster, Perseus constellation, naked eye visible, spectral class B, Mirfak, proper motion, 560 light years, 250mm lens, Giuseppe Donatiello -
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Melotte 20, Alpha Persei Cluster, open cluster, blue stars, Perseus constellation, Mirfak, night sky, star cluster, astronomical image, deep space, star field
