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Check out PointCraft for plate solving in APT. There are a number of YouTube videos that go into great detail on how to use and customize it. You’ll definitely want to plate solve if a meridian flip is in your imaging sequence, intentionally or not.
Current discussion aside, platesolving in general is a wise addition to your imaging routine. Once you use it, you’ll wonder how you ever got along without it.
On Mon, Feb 8, 2021 at 8:29 AM Wes Mcdonald <wesmcd6@...
There is no way to prevent the flip if your Astro program insists on dithering near the meridian. Nina will pause imaging at a time before flip. I guess planning is the only thing you can do
As for centering on a target after a flip there are several things that come to mind but they all basically get down to mount alignment imperfections. The mount it self can make the perfect move. But if there are any errors with alignment and all the things that affect alignment it won’t hit the flipped target. The thing to do after a meridian flip is to platesolve again and continue imaging. Nina will do this for you. I guess with apt you will just have to be there.
Wes, Southport NC
EXos2-GT PMC-8, iExos 100
ES ED 127, 10" LX200GPS+wedge, Astro-Tech 8" Newt, ETX-90, 60mm no-name guide scope ~ 260mm FL
Polemaster, Orion ST-80 and SAG, ZWO 290MM, D5300 astro modified
Nina, Bootcamped Mac Mini control computer, RDP to iMAC
110 amp hour lead acid deep discharge battery for field power
Electrical Engineer, Retired
Mounts: ES PMC-8 G11 with Ruland Couplers and One Piece Worm Blocks, Skywatcher NEQ-6
Scopes: ES ED127CF FCD100, Orion 6” Mak, Stellarvue SV80EDT, Coronado Solarmax 40
Cameras: CentralDS CDS-600, CentralDS Astro 60D, Orion Starshoot SSAG
Msc: Moonlite Focusers, Astrozap Dew Straps, Pegasus Ultimate PowerBox
Software: PixInsight, Cartes du Ciel, BackyardEOS, SkySafari