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I have just started experimenting with the technique to see what is possible.
The attached are my early results for M20 and M22 based on the following:
Four second exposures stacked in SharpCap for total of ten minutes exposure. All processing done in SharpCap on the fly including dark frame subtraction, histogram management and some stretching and colour balancing. No post SharpCap processing.
ZWO ASI385 camera with Vixen ED103S doublet refractor (with focal reducer to give 530mm focal length) on an Ioptron MiniTower Pro ALT-AZ goto mount. So, no accurate polar alignment and no guiding. SharpCap takes care of field rotation for ALT_AZ mounts within the stacking process.
These images are my first attempts. I can see there is plenty of room to improve on these within SharpCap. I am potentially more interested in using this technique for EAA (electronically assisted astronomy) observing rather than using this technique to produce images that are then further enhanced with extensive post processing.
It is definitely worth a go and yes, relatively simple travel rigs can give excellent results.
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