v4.20 is released on 2023/04/03 [next version is in progress - Beta available ]
APT stands for "AstroPhotography Tool" and it is like Swiss army knife for your astro imaging sessions. No matter what you are imaging with - Canon EOS, Nikon, CCD or CMOS astro camera, APT has the right tool for planning, collimating, aligning, focusing, framing, controlling/tethering, imaging, synchronizing, scheduling, meridian flipping, analyzing and monitoring. All its features are packed in an easy and comfortable to use interface with design that had no alternative back in 2009 when it was released.
Time unlimited "demo" version of this astrophotography software is available in the Downloads page.
APT - Astro Photography Tool