With Filestar you get 18 different skills for working productively with Astronomical Research Network (.arn) files.
About .Arn
Name
Astronomical Research Network
Extension
.arn
Format
Binary
Category
Raster Image
Developer
American Association of Variable Star Observers (AAVSO)
Description
ARN (Astronomical Research Network) is a file type used to store astronomical data and information. It is typically used by professional astronomers and research institutions to store data related to celestial bodies, space phenomena, and other astronomical topics. ARN files are commonly used for research and educational purposes.