Envisage works well with a Bahtinov mask and focusing. Just increase the levels (LHS control) til you see the spikes and take it from there. Far better than Nebulosity's fine focus (in my experience). Cant take the time to make a Bahtinov mask? then just take 3 pieces of tape or string and place them across the front of your scope in a Y - easiest thing to do.
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