Gene. I am using whatever is included in the latest StellarMate image. The only change I have made was to use the Software Updater function on the Pi desktop. There was one update available which I did but I don't know what the update was or fixed or improved.
/etc/os-release says its "Debian GNU/Linux 11 (bullseye)" I presume it's 32 bit OS as from I can tell its still early days for a fully supported 64 bit version or am I behind the times?
LXDE is the desktop environment .
window_manager=openbox.
On viewer side I am set to level 6 and quality 6. Tried 256 colours but terrible display. Other than changing the local cursor to an arrow I cant see anything else to twiddle.
On server side I am yet to discover what the vnc server is and where it is configured in StellarMate build.
I don't want to swap vnc server installed with x11vnc for support reasons even though it may be a better solution. I have purchased StellarMate on the basis it is supported 'as is'.
I have astroberry on another SD card and that is where I should fiddle with things such as VNC server.

Another reason for running Kstars on Windows, it cured some serious bugs with Astroberry. I spent a couple of months trying to get Astroberry stable running Kstars on Pi but it crashed on a regular basis. One reason reported was viewing fit files when capturing which is a really handy facility but had to be turned off. Monitoring memory consumption, I came to the conclusion that the Pi couldn't cope with running Indi drivers and Kstars at the same time. I have no direct evidence, but the beauty of running Kstars locally some of the processing overhead is moved to the client PC with the Pi managing driver and equipment control. I believe in this mode of operation with a localobservatory over LAN, vnc is not involved (certainly no display graphics, keyboard or mouse interaction) and I found the LAN very reliable and much more reliable than doing everything on the pi. I find I have various windows open when imaging. Kstars planatarium display, EKOS, Indi, fits viewer, File manager ,observatory cam and local weather (Edge). With twin screen and kstars running locally I can position all these windows for convenient display.

Will carry on with Stellarmate in mode of operation with everything running on Pi for a while to try and eliminate the very slight drift I see in RA (egg shapes stars in some frames). As Alacante recommends, for a remote Observatory operated over the Internet Local Kstars wont work and a mini PC has more grunt to cope with workload.

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