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Showing results for tags 'right ascension'.
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Can someone help me understand how to use the right Ascension setting ring and vernier scale on my CG-4 GEM from Celestron. Thanks
Does anyone have any tips or advice on polar aligning my Newtonian reflector and anything on aligning my right ascension setting circle? It has a RA vernier scale and this will be my first time doing all this once the weather clears up.