As far as the 8300 sensor is concerned from seeing many hundreds of images the QSI683 with the 8 filter filter wheel and built in OAG is the king of the 8300.
I would sell what you have and put the money towards a second hand one of those. They are now selling for cheaper as people move over to CMOS.
No idea how good/bad the SBIG is just the QSI beats everything else I have seen for the 8300 sensor.
If you mainly want to couple it with an AO unit then I assume the Aluma does that?? To do that with a QSI it requires the Starlight Express AO unit.
Also a ZWO or QHY268 would be a superior camera in almost all metrics.
Greg.
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