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Jef-W: Startrail in the Dunes
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Jef-W: Orion Nebula
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Jef-W: Owlnebula M97 en M108
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Jef-W: Vuurtoren van Ameland
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Jef-W: Whirlpool Galaxy
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Jef-W: Perseid Meteor
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Jef-W: Startrail of Meteors
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Jef-W: The Heart-Nebula
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Jef-W: Stargazing
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Jef-W: Ring-Nebula M57
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Jef-W: Dubbel Cluster NGC869 en NGC844