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NGC 1999- diffuse nebula in Orion; T445mm, F/4.5, G=145x,
UHC filter, obs. de La Clapière
bright dust particles (white halo) and dark dust (dark patch on the right side) |
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NGC 1999- diffuse nebula in Orion; T445mm, F/4.5, G=145x,
UHC filter, obs. de La Clapière
bright dust particles (white halo) and dark dust (dark patch on the right side) |
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