I was going to find the limb darkening for CBB filter, and was pointed to this site: www.cbbldc.com
The site looks promising, but after filling in values and pushing the "Quadratic" button, the site does not yield any result.
I notice that the website is not secure (Certificat issue?), but wonder if anyone else has this issue? Or do you get limb darkening coefissient for CBB filters in another way?
I am using Windows 10 and Edge browser , and AstroimageJ for the analyzis.