Some things to clarify in your list: the L-enhance is not a light pollution filter; it's a narrowband filter for emission nebulae, mostly for imaging instead of visual; your eye is very insensitive to h-alpha light. The UV-IR filter won't help anything unless you're imaging and dealing...
The Stellina has a CLS filter, which has proven to be effective for most light pollution and the color balance is good. The difference between your UHC and the CLS is just the cut off point beyond the Ha band. With a mono cam not sure that anything beyond a basic Ha filter is needed...
Some wedding and portrait photographers prefer the 3-stop ND filter to give them a wide-open aperture option while shooting in sunlight. Combine this with a 6-stop for a 9-stop combo when needed. The 10-stop and darker ND filters are becoming popular with many photographers as they allow ...
"The whole filter orientation goes back to when filters where made with soft hydroscopic materials that needed to be laminated with optical epoxy between layers of glass. There was a clear performance difference in orientation. Our current line consists of a front-surface filter coating on one si...
doing that, I try to get the data point to bisect the line in the original. (I never change the X position of a point since I always extract the data at constant interpolated values.) For a quick and dirty extraction of data, that additional level of tweaking is not always needed. ...