Alex
Thanks for the kind words. My colour vision isnt terrible. While I can't read those Ishihara dot cards to save my life it isnt really that noticeable day to day. This is a bit different though - the colour changes can be subtle and i am sure i am missing some of it.
You are on to me - I have been thinking of another scope. I suspect my main interest will always be nebula but i would like to be able to do galaxies, smaller nebula details - maybe even planets. I am not in a hurry though. I am reading up to work out which way to go for more focal length and then if something comes up in the classifieds I will be ready to go.
Bill
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