Profile: davidrobertson
Collections (16)
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Symmetric multicolored by davidrobertson (3 subjects)
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Favorites by davidrobertson (1 subject)
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Blue core by davidrobertson (2 subjects)
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Clear spiral by davidrobertson (9 subjects)
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Outer dot by davidrobertson (17 subjects)
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diffuse and structured by davidrobertson (21 subjects)
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Jet by davidrobertson (3 subjects)
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ring by davidrobertson (8 subjects)
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Cluster by davidrobertson (4 subjects)
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Barred spiral by davidrobertson (13 subjects)
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Elliptical by davidrobertson (31 subjects)
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AGN type by davidrobertson (7 subjects)
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Amorphous by davidrobertson (10 subjects)
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edge on by davidrobertson (2 subjects)
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overlap by davidrobertson (2 subjects)
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collision by davidrobertson (23 subjects)