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Frank van Eck: Helenaveen-1
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Frank van Eck: EOS 40D-IR830-4
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Frank van Eck: EOS 40D-IR830-3
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Frank van Eck: Helenaveen-2
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Frank van Eck: EOS 40D-IR830-2
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Frank van Eck: Helenaveen-3
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Frank van Eck: Helenaveen-6
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Frank van Eck: Driessenven IR2