Another thing that may help with Stellarmate responsiveness is making sure you are on 5GHz Wi-Fi. For some reason I can’t make it stick and so have to manually set Wi-Fi country to US and then switch to 5 GHz manually each time I boot up. Doing so gets better network throughout, at least for my setup where I am close and have no walls to go through.

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How well does the new backlash routine in the firmware work? I’m guessing that one has to quantify the backlash by making small movements until the HFR starts to move having just changed direction and then enter the number of steps it took into the backlash parameter in the indi control panel. Is this correct and having done so will the linear one pass focus routine work? I find it doesn’t with the prior version of the firmware. I’d just jump in and mess with it but I am shipping my Esatto to primalucelab to replace the electronics which failed for no obvious reason.

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I cross all the time, I just don’t change the rotation. This means the image flips but my filter wheel stays the same with respect to pier.

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No, I setup my frame in the early evening and then can keep that rotation over many nights of viewing. I have a permanent pier so I don’t need to adjust rotation once I have setup the way I want. I generally stick to one target at a time. I suppose that if I wanted to run multiple targets I would use prior images from the same side of the meridian so when I aligned the rotation was set appropriately. I have to be careful because I cannot have 360 free rotation due to collisions.

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Because of my geometry with filter wheel I do not want it to rotate. It gets sorted out by the stacking routine so I see no reason to do so.

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I had a problem where this started happening after a recent update and caused my filter wheel to crash into the pier. Jasem was able to identify a bug and did an update in git which fixed the problem but I am not sure if it has propagated yet. Like you it was on align after successful flip.

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This seems to happen regularly with updates. You can also do a

brew edit kstars

And substitute the expected checksum in place of the actual AMD re run the update. Does sort of defeat the purpose of the cheksum however. It is helpful if you have an environment variable for EDITOR set to something like nano otherwise it defaults to vim.

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Thomas Mason replied to the topic 'Focus backlash issue' in the forum. 2 months ago

A few observations:

I think the overscan/backlash separation is the right move. Allow separate determination of whether the driver or focus routine manages backlash. In my case I have a Nitecrawler which works very well and doesn’t seem to care - it works fine as is with the linear 1 pass routine even if if doubles up somehow. My second rig has an Esatto and the driver backlash seems not to work well, it introduces randomness having it enabled. Linear 1 pass doesn’t even run unless the backlash box is unclicked - this does leave some residual backlash in the system. I think the overscan option in this case might help.

Regarding the ASTAP tilt/backfocus - this is a very quantitative approach to dialing in best possible image. Having an option in the focus routine where you could automatically scan through the focus position unidirectionally while saving the images would be handy. At present you have to monitor and step the focus position then take a 30 second image, step and image etc until you have all the images to load into ASTAP. Specifying a starting point, step size, and number of steps and walking away for 15 minutes or so would be a nice convenience.

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I was one of the ones having trouble with linear 1 pass and the esatto. I did not update to the new firmware due to Sonny’s warning. I am running the prior version (1.3). There does seem to be something funky about how the esatto handles backlash, hopefully the new firmware fixes that, once it is supported by indi.

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Disabling Autofocus Backlash Comp seemed to fix it. It wasn't moving too far from focus - you can see the image in the first posting - there are good stars it is getting HFR for. It may have something to do with how long the travel takes.

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The change you made did the trip. Successful meridian flip without an attempt to rotate with a git pull.

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