The Shrink module allows you to modify the appearance of stars in your image. It allows you to shrink stars, tighten stars and better color stars.
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It governs the range of detail sizes HDR should concentrate on, in order to bring out the most detail.
The Entropy module works by evaluating entropy (a measure of "busyness" or "randomness") as a proxy for detail.
The Entropy module is very flexible in its image presentation.
You can convert everything you see to a format you find convenient. Give it a try!