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To what Dino said:
On the iexos you can’t swap the drive cables but you can, if you want to, swap the motors. But without thinking much more about it I feel the motor is fine. I don’t think you could see the pulley chug along at sidereal rate.
I will fool with my iexos today and see if it looks like it jerks along
But not round stars are usually ultimately caused by a combination of issues not the mount motors. Btw what focal length was your scope? Remind me we’re you guiding? If so what was the rms error reported by PhD.
On Sun, Jan 10, 2021 at 10:47 PM Rix Yarbrough <yarbroughrix@...> wrote:
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