If you are looking for datasets from amateur astrophotographers to practice with, there are a number for useful resources.
Processing is meant to be fun! If you really need help with a particular dataset, jump on the forums or contact us directly for some pointers - even if you're just using the trial.
Thank you StarTools for turning my average photos into amazing ones.
Understanding regularization in StarTools' Decon module.
In this case the Life module can be used to isolate objects in an image and lift them from an otherwise noisy background.
To view just the model that Life is using to enhance the image, the 'Output Glow Only' parameter can be set to 'Yes'.
You can convert everything you see to a format you find convenient. Give it a try!