.FTS File

File extension fts is used for Flexible Image Transport System format, a most commonly used standard format for images used in astronomy. Historically, magnetic tape was the original storage medium for FITS formats.

FITS is a digital file format used to store, transmit, and manipulate scientific and other images, specially in Astronomy. A major feature of the FITS format is that image metadata is stored in a human-readable ASCII header, so that an interested user can examine the headers to investigate a file of unknown provenance.

FITS is also often used to store non-image data, such as spectra, photon lists, data cubes, or even structured data such as multi-table databases. A FITS file may contain several extensions, and each of these may contain a data object. For example, it is possible to store x-ray and infrared exposures in the same file.

The most common suffix for this format however is the fits file extension, sometimes there can be found this format with fit file extension as well.

Files with fts extension can mainly be found as astronomy files in Flexible Image Transport System.

How to open:

There are also some specialized FITS viewers that can open *.fts files.Some image viewers such as GIMP, Photoshop, XnView and IrfanView can generally read simple *.fts images, however are not able to interpret more complex files.

How to convert:

Specialized viewers AVIS - FITS Viewer can convert .fts images to common bitmap files.