Some photographers have thrown every filter and post-processing technique at a photo and called the result art.

CNN: Art photography: When 'reality isn't good enough'

However Christian Marois, of the NRC Herzberg Institute of Astrophysics in Canada and his colleagues, developed a computer processing technique that was able to separate the light from HR 8799 from the light the planets are emitting they are still so young that they are glowing from heat left over from their formation about 60m years ago.

ECONOMIST: Planets are seen outside the Solar System

The first being that you need to repeat this over and over during the treatment, very much like BCR-ABL. The second being that this technique has incredible low upstream and downstream processing and goes directly for the target.

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