Why are Equatorial mounts better for AP

Started Nov 22, 2012 | Questions thread
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Why are Equatorial mounts better for AP
Nov 22, 2012

I have always heard equatorial mounts are better for astrophotography but have never seen an explanation as to why. A computerized and motorized alt azimuth type mount can still track a celestial object so why is it not good for AP?

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