Take a known good file and see if it is better when stacked separately.
Using SER file 2020-05-09-1104_6-L-Jup.ser and downloaded the 64 bit version of Autostakert
Doesn’t seem to make a difference.
FireCapture v2.6 Settings
Camera=NexImage 5
Filter=L
Profile=Jupiter
Diameter=41.76″
Magnitude=-2.41
CMI=119.9° CMII=255.2° CMIII=314.3° (during mid of capture)
FocalLength=3750mm
Resolution=0.12″
Filename=2020-05-09-1104_6-L-Jup.ser
Date=090520
Start=110340.905
Mid=110437.819
End=110534.734
Start(UT)=110340.905
Mid(UT)=110437.819
End(UT)=110534.734
Duration=113.829s
Date_format=ddMMyy
Time_format=HHmmss
LT=UT -7h
Frames captured=2000
File type=SER
Binning=no
ROI=800×800
ROI(Offset)=1072×672
FPS (avg.)=17
Shutter=60.00ms
Gain=63 (100%)
AutoExposure=off
WRed=94 (off)
AutoHisto=75 (off)
Denoise=0 (off)
WBlue=95 (off)
WGreen=0 (off)
SoftwareGain=10 (off)
FPS=20
Histogramm(min)=16
Histogramm(max)=106
Histogramm=41%
Noise(avg.deviation)=n/a
Limit=2000 Frames