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Night Vision Charts for Ten Star Tutorial

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Night Vision Charts for Ten Star Tutorial

In the last year I have become more interested and active doing visual observing.  The Ten Star Tutorial is an excellent resource but I found myself wishing that I had a copy of the charts in red on a black background that I could put on my iPad and use without ruining my night vision. I got around to doing it and thought this might be something other visual observers are interested in.  So here is a link to the PNG images I have made of the Ten Star Tutorial charts with a black background and red lettering.

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