Jarno Paananen replied to the topic 'EQMOD sync and align settings' in the forum. 3 days ago

Good to hear that helped, yes the regular barrel connector is not a very good choice for powering a device that is constantly moving. Also there seems to be some tolerances that some cables fit better than others and thus might work better. Skywatcher has better connectors in some of the higher end mounts like EQ8, but I guess there is a cent or two to be saved by not using those in the cheaper models...

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Yes, 3.5.7 should be out pretty soon.

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Yes, thought the limits set to the controller would prevent that, but it doesn't seem to quite work... Unfortunately my USB_FocusV3 controller stopped working a bit over year ago so can't test that anymore. It would show up normally, but just didn't respond to any commands anymore.

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JPL changed the APIs for retrieving the orbital elements sometime around 3.5.6 was released and fixes are in GIT, to be released with 3.5.7. More info in merge requests invent.kde.org/education/kstars/-/merge_requests/452 and invent.kde.org/education/kstars/-/merge_requests/468

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If I remember correctly from working on the driver was that the controller handles step count as 16-bit value so the maximum step count is 65535 and then it would wrap to 0. Unfortunately there is no command to sync/set the step count to a lower value like many other controllers have so the only way to lower it is to run the focuser in a bit (to maybe 50000 or so) and then move the focuser out manually to the focus point so that the values when searching for focus are lower.

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Jarno Paananen replied to the topic 'EQMOD sync and align settings' in the forum. 6 days ago

I use EQMod align. Those erratic jumps sound a lot like what I had with my previous HEQ5 mount which had a bit loose power connector and that manifested itself as occasional serial port errors. I ended up changing the power connector to a screwed one and that cured those issues. If you enable logging for EQMod, does it report any serial errors? Or does the power led blink / fade or is it stable?

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Using scheduler you can control how errors during jobs are handled and it can retry the capture with a delay or immediately.

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Jarno Paananen replied to the topic 'EQMOD sync and align settings' in the forum. 2 weeks ago

Yes, I used to have a GPS device connected to the computer too and used it when mobile, but it didn't make much sense anymore with fixed place and network syncing for time.

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Jarno Paananen replied to the topic 'EQMOD sync and align settings' in the forum. 2 weeks ago

I have left it on add point as it doesn't seem to do any harm with nearest point alignment. After doing taking down the mount for maintenance or similar I clear the alignment data, make a loose model by syncing in a few places (around 10 or so) around the sky and save that as a base alignment data which then gets loaded for every subsequent session. That way the first slew is usually already fairly close and plate solving does the rest. This is also useful during the light summer nights here in Finland or day time imaging of planets when plate solving can't be used.

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Jarno Paananen replied to the topic 'EQMOD sync and align settings' in the forum. 2 weeks ago

One thing to check to make sure to use nearest point alignment in EQMod align tab options, the n-star does have issues when there are many sync points close together which is the case when refining alignment and sometimes it just doesn't converge and jumps around. Haven't had issues with nearest point alignment on permanently mounted EQ8.

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