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Spot on Bird.
I got to star test the other night for the first time at around 200x i think, I saw the rings, but an interesting thing was that i put my left hand on the top of scope and fingers inside the tube to move the tube. The heat from my hand was causing viewable currents in the column of air!!!!!
Again an example, how critical is temp for great viewing!!!!!!!
I moved the screws around and thought i got it better, but i will be interested in the light of day where the centred spot now is pointing on the primary!!!!!
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