If anyone ever wanted to see how much of a difference a modded DSLR makes, these comparisons do a great job demonstrating that. Both images were done in the same location, using same gear and exposure length.
The first example is the Veil nebula. It has equally strong Ha and Oiii signal. Ha comes out dark red and Oiii is a teal color. From the image, it is seen that both cameras pick up Oiii equally well, but only the modded camera picks up the Ha.
The other main difference is that the stars are clearly more bloated on the modded D5300, due to the increased signal sensitivity of h-alpha.
Second comparison shows the Horsehead nebula. It is a strong Ha emission type nebula and as you can see, barely registers on the D3200.
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