This guide lets you create starless linear data using StarNet++.
Thank you StarTools for turning my average photos into amazing ones.
Open an image stack ("dataset"), fresh from a stacker.
Any other tools on the market today simply approximate the visual likeness of such star spikes and 'paint' them on.
It allows you to shrink stars, tighten stars and better color stars.
You can convert everything you see to a format you find convenient. Give it a try!