Re: Adjust CP4 Clock Frequency

Roland Christen

So the best I can do is point at DEC 0 and HA -3
It will have to do.

I was of course assuming that your drift rate of 0.1% was using the raw sidereal rate and not a custom rate in APCC or any other model rate. Or are you saying that the drift rate of 0.1% is caused by your APCC model?

Roland Christen

-----Original Message-----
From: Craig Young <craig.young.m8@...>
Sent: Tue, May 5, 2020 6:48 pm
Subject: Re: [ap-gto] Adjust CP4 Clock Frequency

By chance we will have a clear night tonight (and near full moon) so I should be able to run the tests.  To make sure, I assume you want APCC to not use the pointing model or any tracking corrections during these tests?  I will do a plate solve at the start and end of each test (5 minutes).  This will give me a precise measurement of the drift rates in both RA and DEC.
The third test is a problem though.  The building the mount is located in does not permit observations below about 45 degrees.  So the best I can do is point at DEC 0 and HA -3 .. is that okay?


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