The bubble level and latitude scales on most mounts can't be trusted. They get you in the ball park. I carry a couple of levels which I can flip end-to-end to eliminate errors in the level by averaging.
I get my mount (not an EQ) roughly aligned with a multistar align, then use the built-in any-star polar align to get it reasonably close.
Repeat the above steps to get closer.
Then I can use PHD's graphs to drift align.
You could use a reticle eyepiece to do the drift align if you don't have a CCD camera.
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