#compsci **FITS (Flexible Image Transport System)** is an open standard defining a digital file format used for storage, transmission, and processing of data: formatted as multi-dimensional arrays (e.g. a 2D image), or tables Most commonly used digital file format in astronomy First standardized in 1981 Format versions are backward compatible Designed with an eye towards long-term archival storage FITS can also be used to store non-image data ## In Python Using the [[AstroPy]] and [[PIL]] libraries: ![[Pasted image 20260309235514.png]] ![[Pasted image 20260309235533.png]]