Thank you Gary, happy to help!
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Great tip, this also means you will visually get a rough idea/understanding of the guide calibration, so when PHD2 moves the scope east, back west, north back to south the path in a perfect calibration should create a 90¡ã degree angle. (also visualized in review calibration data).
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In other words in such a scenario the scope is fully responsive to PHD2 pulse commands, if the angles are questionable it could be because of backlash or poor unguided tracking.
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With a good 2-star alignment i get a very good calibration, yesterday with EasyTrack i got the warning: "RA and DEC angles are questionable guiding may be impaired" but as you can see guiding can still work well despite a warning.
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If tracking is slightly off prior to performing the calibration, click on the brain icon and then on guiding? at the top of the window if I remember correctly, then check "assume RA/AZ orthogonal to DEC/ALT" so that the RA/AZ tracking error does not affect the DEC/ALT calibration.
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/Gabriel?
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Gabriel Wiklund