...sorry Stas, but strangely enough, the three stacks I made yesterday went well, while today the system crashes every times I try to use the dust map. I guess it is a kind of problem related to the crashes that other users reported today, even if in my case it happens only when I use the dust map ...

Dear Stas,
thank you. I downloaded the software again but the problem reappeared. However I have eventually undertood what caused the problem by finding an old discussion on the dust map in this forum: the image I was using as dust map was a white empty image, which therefore was quite "light" in ...

Dear Stas,
thank you very much for your prompt answer.
I downloaded Helicon some four/five months ago.
Is there already a new version? In such a case how can I update my version? I purchased a lifetime pro licence, but I have just checked the download section and I was unable to find instructions ...

Dear All (but especially the software designer),
I am having a problem while using the dust map. It's a great tool, very useful since I am using an old phototube, which is dirt and I was unable to remove the dust that covers the prism.
When I used the Helicon software during the tiral time, I had no ...