Re: APCC Meridian Tracking Limits and Sequence Generator Pro

Ray Gralak

That's not going to work because you can't guarantee that SGPro won't issue a slew after the meridian.

Without APCC actually setting the meridian delay SGPro would not expect the mount to flip if it had to recenter the image, or slew to another target that normally would not require a pier flip because it is within the West limit.


-----Original Message-----
From: [] On Behalf Of psparkman via
Sent: Sunday, October 31, 2021 8:50 PM
Subject: Re: [ap-gto] APCC Meridian Tracking Limits and Sequence Generator Pro

Ray, I am not sure why I can't communicate the issue to you properly, but I will continue to try. I don't want to
check the CW up slew west box. I do want any slew command issued by SGP past the meridian to cause a
meridian flip as that is how SGP initiates a flip. However, I do want the mount to track past the meridian to the
APCC limit minus the offset and pass that value to SGP so that it will invoke the flip at the delayed point and
take advantage of the ability to track past the meridian.

The problem that I have is that without having the CW up slews within West limits box checked, APCC does
not pass the additional meridian delay as shown in my first screenshot above. I feel that this is a bug. Also,
why does checking the CW Up slew limits for the East automatically check the one for the West?

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