Re: AP1600 and Lunar Tracking Rate
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Thank you. I am looking at trying out APCC Horizons to see if that will help out with better lunar tracking.
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38388 Pine Street
Pearl River, LA 70452-5192
All of us get lost in the darkness.
From: firstname.lastname@example.org <email@example.com> On Behalf Of Roland Christen via groups.io
Sent: Monday, May 16, 2022 1:29 PM
Subject: Re: [ap-gto] AP1600 and Lunar Tracking Rate
The Lunar rate is an average rate in RA only. You would need a custom rate for both axes to follow the Moon precisely.
Tonight, I was using a 16" RC at f/6.4 with a full frame sensor to watch the eclipse. I also had a 91mm scope riding parallel to provide a wider FOV. In the 16", I could see about 95% of the lunar disk. But I constantly had to move the scope in the North direction as the Moon kept dropping down in the FOV. The mount is permanently mounted in my observatory and polar aligned. I verified this with my PoleMaster the other night. I know the Moon's motion varies from day to day, but I would have assumed that the lunar rate would take that into account. Do I have to guide on a small lunar crater to keep the Moon centered in the FOV?