The observation isn’t about discovering brown dwarfs, but rather it contributes to defining the boundaries between what is classified as a brown dwarf and what is considered a gas giant. Additionally, it was one of the first instances where a brown dwarf was observed with satellites, making it noteworthy.

Not free as in foss. But free as in beer.

You can use xpenology or just a synology disk station with active backup for business. It does quite well with windows and just runs in the background.

Before using that I use urbackup ,which is FOSS. It also worked quite well.