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File:M81 Galaxy from the Mount Lemmon SkyCenter Schulman Telescope courtesy Adam Block.jpg - Wikimedia Commons
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File:IC 434 HorseHead Nebula from the Mount Lemmon SkyCenter Schulman Telescope courtesy Adam Block.jpg - Wikimedia Commons
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File:M101 Galaxy from the Mount Lemmon SkyCenter Schulman Telescope courtesy Adam Block.jpg - Wikimedia Commons
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