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I'm not sure if it helps taking Sirius outside of the eyepiece because Sirius B is very close to A and you may end up choosing the wrong side of Sirius , if you know what I mean. I would like some opinions on this. I suspect that it may be better to keep Sirius in the center of the eyepiece and keep trying to get the focus just right at just the right moment when the seeing is perfect. And I'm sure the diffraction spikes could easily hide B. Opinions please...
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