Example 2 : The Milky Way galaxy as seen by an observer standing outside it
You can see that the galaxy ( and its glow ) Comes in its Fourier Transform too with the observer upside down !
Fourier for IDEAL LOW PASS CUTOFF = 60
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Fourier for IDEAL LOW PASS CUTOFF = 30
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Fourier for IDEAL LOW PASS CUTOFF = 10
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Fourier for IDEAL HIGH PASS CUTOFF = 60
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Fourier for IDEAL HIGH PASS CUTOFF = 30
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Fourier for IDEAL HIGH PASS CUTOFF = 5
Milky way with a black hole
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A black hole results in a Milky Way Sandwich
Fourier for BUTTERWORTH LOW PASS CUTOFF = 30 Order = 1
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Fourier for BUTTERWORTH LOW PASS CUTOFF = 30 Order = 3
Fourier for BUTTERWORTH LOW PASS CUTOFF = 10 Order = 1
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Fourier for BUTTERWORTH LOW PASS CUTOFF = 10 Order = 4
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Fourier for BUTTERWORTH HIGH PASS CUTOFF = 10 Order = 1
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Fourier for BUTTERWORTH HIGH PASS CUTOFF = 10 Order = 4
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