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Optolong Filters
I just upgraded to SkyTools 4 and in the process of setting up my equipment. I noticed that Optolong filters have not been included and it is asking for a data file to create new filters. Can someone advise how I can get the data files for Optolong LRGB, Ha, OIII and SII filters? If data files do not already exist how do you create them? All I have to go off of is the wavelength graph on the Optolong web site. Given the scale of the graph I would think it would be fairly difficult to create accurate files manually. Is there a better way?

Thanks for the info.

Andrew J
I am in the same situation. I have a light pollution filter I want to add but the only information that I have is the wavelength graph.

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