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Originally Posted by PhotonCollector
Hello Brad,
Thank you. I take that as quite a compliment coming from an astrophotographer such as yourself.
Your right, the unsharp mask does reveal more detail, but it seems to give the image less "photographic appearance", and stars begin to get a dark shadow around them. I'll have another play with it though and see if I can find a nice balance. But in the meantime, the skies are clear again and I'm getting ready for another night under the stars.
best regards
Paul Mayo
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Hi Paul,
Try selecting the stars, invert the selection, expand by 3 pixels, then feather by 2. Then apply your unshapen mask. This way it wont touch your stars.
You can select the stars simply by:
1. Duplicate the background layer.
2. Apply the dust and scratch tool until you blur out all the stars in the the duplicate layer (7-30 pixels should do it).
3. Then select the duplicate layer to "difference".
4. Use the colour range tool with the + set and start clicking on the stars until it gets all of them. Play around with the colour range slider.
5. Save the selection as "Stars" from the Layer menu.
6. Then remove/delete the duplicate layer.
7. If you've lost the selection, just load it back up from the layers menu.
Hope this helps,
Brad Moore