After downloading the latest version of PixInsight with the new drizzle module. I just had to try it.
Data: 30x4 min for each of RGB.
Large image twice camera pixel size. 1.54 seconds of arc per pixel. 30MB
http://d1355990.i49.quadrahosting.co...CF_DRZ_RGB.jpg
Seems to work very well. Note drizzle is only useful if your sensor under samples your optic. Dithering is essential and many sub frames also improves the result.
Here is an animated gif showing the effect. 2MB
http://d1355990.i49.quadrahosting.co...4_06/drzzl.gif
Bert