The main point of difference I wanted to bring out was the increased red sensitivity of the CCD. In some ways this is good, because it gives a truer rendition of the actual colour of these objects if our eyes were sensitive enough to see colour at such low light intensity. However, the red does swamp the more subtle colours, which the DSLR brings out. I suppose the way to go is narrowband filters, so you can see what the thing looks like at a particular wavelength.
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