Jarno Paananen replied to the topic 'guiding: via guider or mount?' in the forum. 3 hours 38 minutes ago

There is a slight advantage latency-wise in using ST4 via camera compared to EQMod as each pulse command incurs communication latency which is smaller when using direct USB connection like cameras use instead of mount's 9600 baud serial so the corrections get applied a bit faster. Using EQDir cable command latency is around 15ms, via BT dongle around 50ms so doing corrections shorter than that just isn't possible, which is why I added filtering for short pulses in EQMod driver. In practice one less cable is usually a bigger advantage though :)

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Jarno Paananen replied to the topic 'EQMod misbehaving in KStars' in the forum. 8 hours 29 minutes ago

I've noticed similar problems with n-star alignment especially near the meridian and when sync points are relatively close to each other which often happens with slew to target cycle. I switched to using nearest star mode, which is a bit less accurate, but at least works consistently. It's at the bottom of alignment tab in Eqmod.

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Jarno Paananen replied to the topic 'HEQ5Pro no connection to INDI' in the forum. yesterday

With EQdirect cable you should use EQmod driver, synscan driver works with the hand controller.

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Stephane thanked Jarno Paananen in topic atikccd dependencies 3 days ago
Jarno Paananen replied to the topic ''Slew to target' after platesolve goes crazy' in the forum. 7 days ago

There is "settle" field in the alignment tab which waits after slew, but it would be good to get the mount driver fixed, which mount and driver you use?

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Jarno Paananen replied to the topic 'asi_ccd crash on ARM64 - Stable Release' in the forum. 2 weeks ago

Nightlies have newer ASI SDK so it might help, there was a problem with ARM64 library that was fixed.

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

The ARM packages seem to have been built on Raspbian so you need to install this package for example packages.debian.org/sid/armhf/libjpeg62-turbo/download (and uninstall libjpeg62)

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Jarno Paananen replied to the topic 'Skywatcher AZ GTi with Ekos' in the forum. 2 months 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. 2 months 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 months 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 months 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 months 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 months ago
Jarno Paananen replied to the topic 'Driver usb-focus V.3' in the forum. 3 months 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 months 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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