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Frédéric Ruciak: Thanks for your answer Frédéric, I have got motors that are controlled by the camera ZWO, so the unique form that i have to adjust its velocity is with its controller, and its always in 0.5x which is the same value that I entered in ASTAP. |
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Santiago Rodrigo:Frédéric Ruciak: Hi Santiago, I think you may be referring to your guide rate when you say that it is always 0.5x. This is very different from your tracking rate which is the way that your right ascension axis is moving to track the rotation of the Earth. The polar alignment routine in N.I.N.A. is expecting you to be tracking and isn’t concerned with your guide rate. Your guide rate has more to do with the corrections that are being made by your auto guiding. I think what Frederick was referring to was that the three-point polar alignment routine is expecting your mount to be tracking the sky rather than being stopped. If your mount is stopped & not tracking, you will get incorrect results from the polar alignment routine. Best, Bruce |
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Santiago Rodrigo:Frédéric Ruciak: Thanks for your reply Bruce, The mount is tracking at the same speed as it tracks in other places where I can point it at the polar and avoiding the TPPA, and also is the same speed used in the first step (taking the 3 calibration photos). |
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Santiago Rodrigo: Man, I can relate to the polar alignment woes. The ZWO462MC PRO is solid, and so is the NEQ 3-2, but getting them to dance together during alignment can be a real headache sometimes, right? I had a similar experience in my backyard, and let me tell you, the light pollution is no joke. Messes with the best of us. A 10-second exposure should get you something, but if your skies are too washed out, it's like searching for a needle in a haystack. I found messing around with ASTAP settings helped a bit. Make sure you're inputting the right focal length, pixel size, etc. Also, take a good look at your captured images. Are they crisp? Even a tiny bit of blur could throw ASTAP off. |