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It's just as simple as taking the flux at some wavelength (just a number) and using this number to represent a visible intensity. If you only have one wavelength then you can only get a monochrome picture. However, if you have flux information at more than one wavelength, let's say three, you can use the flux at the longest wavelength to represent red (r), ...


Rather than looking for ready-made systems, take a look at projects. Right now, plenty of amateurs are using software defined radio coupled to various antennas for astronomy. Start here: http://www.rtl-sdr.com/rtl-sdr-for-budget-radio-astronomy/ And while it has nothing to do with imaging, there's plenty of radio astronomy that amateurs can do using simple ...

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