I will start with saying how much Stellarmate impresses me every time I use it! WE have 3 observatories for teaching purposes - one equipped with a Paramount MX, one with a custom build GEM - each carrying large telescopes and a smaller observatory with an HEQ5 and Stellarmate used for various small refractors (SV 102, SV70 etc). Under good conditions I routinely get rms guiding errors between 0.7" - 1.1". For 50 bucks and a Raspi3 this is outstanding. You can see some of the images taken with this setup at martin.kcvs.ca/astro/course/gallery.html

I am now attempting to use a new Raspi4 (4G) but am unable to get the most current build (StellarMateOS_1.4.4_rpi3.img.xz) to run. It burns fine onto an SD card (using Etcher) but when installed in the Raspi does not boot. I have tried several sd cards with the same result. The Raspi4 is running fine under Raspbian. Anyone have experience and success with Stellarmate on the Raspi4?

Read More...