Blaise,

I had a "brain in the off position" error. My original testing was on an X86_54 Ubuntu laptop. It originally compiled there, and I had been testing with my guide scope on a tripod. The Skywatcher 250P is driven by a Pi4, now running the (beta) Raspbian verson for that machne as follows:

jon@piscope:~ $ uname -a
Linux piscope 5.4.51-v8+ #1326 SMP PREEMPT Fri Jul 17 10:58:13 BST 2020 aarch64 GNU/Linux
jon@piscope:~ $ lscpu
Architecture: aarch64
Byte Order: Little Endian
CPU(s): 4
On-line CPU(s) list: 0-3
Thread(s) per core: 1
Core(s) per socket: 4
Socket(s): 1
Vendor ID: ARM
Model: 3
Model name: Cortex-A72
Stepping: r0p3
CPU max MHz: 1500.0000
CPU min MHz: 600.0000
BogoMIPS: 108.00
Flags: fp asimd evtstrm crc32 cpuid
jon@piscope:~ $

It would be nice to run it there, but not mandatory. I have started testing on the Laptop version, and it compiles without issue (again).

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