Building Portable Imaging setup On SBC

For RPI3 based solution, below 3 are easiest way to get it up running in no time

1 Follow the steps in below.  This has the image ready to use

2 .Download ubuntu yourself and configure it for astro using the scripts.

3.Same as above 2 but with little extra features and support

For Armbian based on Tinkerboard
I use the below Wifi  adapter compared to inbuilt for better coverage.