Paul,
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Thanks for the reply. I can try your suggestion using Synchronize but I think something else is going on here. Also, whenever I use this mount I use GPS for location and time and adjust for the time zone difference. The procedure I have been using for modeling, goto star, center star, select align, then select alignment, has always worked for me. Something has changed for it to stop working. Do you know if the modeling parameters are stored on the sd card. I removed the card and opened its contents on my computer, so the card is not corrupt. I cleaned the contacts on the card and the board and reseated the sd card. I haven't tried using the mount since then and now the cloudy nights are here.
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Tony