Jarno Paananen replied to the topic 'Skywatcher AZ GTi with Ekos' in the forum. 3 hours 23 minutes ago

Correct reply from the mount should start with = but there seem to be left over garbage from the request in front which probably confuses the driver.

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Jarno Paananen replied to the topic 'Re:scheduler: start capture after guiding has settled' in the forum. 6 days ago

I guess the point would be to allow PHD2's PPEC guiding mode to train itself for a while, but I don't really see why you wouldn't run captures at the same time. At least with my admittedly quite tuned HEQ5 the difference between PPEC and regular hysteresis mode it runs with until training is complete isn't that big and usually the first frames are just as good (or bad :) as later ones so I wouldn't waste precious imaging time. Fully training the PPEC takes two worm cycles, which on HEQ5 is around 22 minutes so I'd rather capture all the light I can and throw away the ones that aren't good enough rather than just wait.

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Jarno Paananen replied to the topic 'Beginner problems with HEQ5 Pro through endi server' in the forum. 2 weeks ago

I've noticed some issues with n-star alignment which occasionally does some weird things, using one star seems to work more reliably, though not as accurately, but combined with plate solving has worked well for me.

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Jarno Paananen replied to the topic 'Comets' in the forum. 2 weeks ago

Updating the orbital data might help, at least 21P was in totally wrong place for me before updating via data menu.

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Jarno Paananen replied to the topic 'Driver usb-focus V.3' in the forum. 3 weeks ago

Thanks, I'll take a look and see if there are things that would help the INDI driver too.

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Jarno Paananen thanked han in topic Driver usb-focus V.3 3 weeks ago
Jarno Paananen replied to the topic 'Driver usb-focus V.3' in the forum. 3 weeks ago

There already is open source driver included in INDI, but having a reference would be useful obviously.

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Jarno Paananen replied to the topic 'Driver usb-focus V.3' in the forum. 3 weeks ago

USB_FocusV3 serial communication protocol is a bit problematic as it doesn't have any synchronization points, it just assumes every command is 6 characters and gives an error if it doesn't recognize it. Most other protocols have a start character like >, # or similar so that the device knows when a command starts and can synchronize with it. This causes problems if ModemManager or INDI auto search for example writes something to the serial port as the device goes out of sync with this 6 character cycle. In my case uninstalling ModemManager and disabling auto search for all devices (I use udev-rules to create aliases for all devices anyway so for example USB_Focus is always /dev/focuser regardless of what port number it happens to get) helped and haven't had any connection problems since. The driver could be made a bit more robust so that it would try to resync by sending space characters for example until the device responds with error and that it what I used to do with minicom before uninstalling ModemManager.

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Jarno Paananen replied to the topic 'Why ASI driver is not updated to 0.7?' in the forum. 2 months ago

I updated the ASI SDK to 0.7.503 already back in middle of May and it has been included in INDI 1.7.3 release I think. I don't know how the Mac version is released as I don't use it myself, but I did update the Mac library too so you should probably get the newest KStars release to test it out.

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Jarno Paananen replied to the topic 'Internal Guider not calibrating' in the forum. 3 months ago

I don't think it has ever worked better for me than it does now (which isn't perfect but usually enough), it was much worse before Robert's changes some time ago and I've used PHD2 with Ekos for about two years now. Anyway, it would be nice to figure out the issue and fix it for sure :)

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Jarno Paananen replied to the topic 'Re:Joystick input stops tracking' in the forum. 3 months ago

One thing to notice is that there is backlash also in the RA axis so tracking might not be immediately visible after slewing east until all the gears come into contact again.

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Jarno Paananen replied to the topic 'Internal Guider not calibrating' in the forum. 3 months ago

Unfortunately this doesn't have any direct impact on dithering with PHD2 as such, only that the dither pulses would be more accurate than before. For me dithering seems to usually work, though at times Ekos doesn't seem to register settling signal after dither, but resumes after timeout anyway. More rarely PHD2 doesn't seem to receive the dither command from Ekos at all so there seems to be some fragility with the communication between the two.

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