tags: C#, JavaScript, TypeScript

Some years ago I started a little library written in F# to perform calculations for astronomy. This was published on an open source platform hosted by Microsoft of which the name escapes me it was that long ago. I never did much maintenance with it for many years and it was just for learning about functional programming. Since then I have created the ObsPlanner website for astronomy which uses many hand written JavaScript routines as well as lots of C# code that do similar things to the JavaScript ones. Because of this I have created a repository on GitHub which I aim to build up over the coming months that is a cross language astronomical library for performing basic functions such as:-