Nebulosity is a very good cross-platform capture and processing astrophotography software. From the Stark Labs webpage: "Nebulosity has gone open-source[0] and

Nebulosity is a very good cross-platform capture and processing astrophotography software. From the Stark Labs webpage: "Nebulosity has gone open-source[0] and free. Here is a code to unlock Nebulosity if you don’t download[1] the open-source build: N4-14627-55834-23500-59673". [0] https://github.com/celstark/OpenNebulosity https://github.com/celstark/OpenNebulosity [1] http://www.stark-labs.com/downloads.html http://www.stark-labs.com/downloads.html