Hope the pain has eased a bit Ron.

I know what sore and swollon knees are like, and have had mine drained

quite a few times ..... persistant childhood arthritis.
Hope skies are clear for the weekend and the New Moon!!!!! the Townsville Group are heading out west to an airfield we havent been to before, and we cant wait!! Our first dark site viewing for the year.
haaa ... yes, I have also bought medication when I have has it in the bloody fridge!!
Get well soon.