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For my home first alignment I got onto Google Earth, zoomed in on my house, fortunately a hi-res pic and checked the alignment of a feature ( a long straight path ) against True North. (22 degrees ) and then went out and marked up a spot. levelled the tripod with dec angle set (37.5 Degrees) and then did a drift alignment to refine when Sirius was visible.
Was pretty close from start and once I got the image inversion sorted out in my brain tweaked dec and azimuth to refine the tracking. I need to make a reticule eyepiece though to make it easier. Might add cross hairs to my 25 mm plossl, make it useful as a tracking EP.
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