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What is the .FIT File Extension?

.FIT File Extension Description:

files in the Flexible Image Transport System use The FIT file extension. Files with the .fit file extension are used mainly to store scientific images. Astronomy is one field of science that often uses files with the .fit file extension. The image format was designed to transport images for scientific use. Data stored with the file extension .fit contain photometric and special calibration specifications together with the image data.

The header of the image in files with the .fit file extension is stored in ASCII characters. This means that users can read the header of the file to determine what kind of data is stored in it. Both the National Aeronautics and Space Administration and the International Astronomical Union endorse and use files with the IMP file extension. Files with the file extension .imp are used to store more than one data set in multi-dimensional arrays. Files with the .imp file extension can hold Red, Green. Blue and Luminescence(RGBL) channels used in astrophotography or three-dimensional images of brain scan. Users can then access each layer or data set stored in the file and processes them individually.

Images saved with the FIT file extension have better digital image quality with a higher signal to noise ratio. Users can process each of the layers in the file and turn them into enhanced high-quality images.

Scientists often use CCD imaging devices, which create files with the FIT file extension. Both the Hubble Space Telescope and the Sloan Deep Space Survey create files with the file extension .fit. Since images with the .fit file extension need image processing to produce good quality images, a Photoshop plug-in called FITS Liberator was developed. The FITS Liberator plug-in accesses the image layer of the file so that it can be processed in Photoshop.

The Windows NT operating system also uses the FIT file extension for its file index table. Indexes, which are stored with the file extension .fit, are used to store lists of files, which are stored in the system. Aside from a list, File Index Tables also store descriptions of the files along with the links to the files.

Author: Microsoft Corporation (,Windows NT),
Author URL:,WindowsNT),
Related Applications: CCD imaging devices, Hubble Space Telescope, Sloan Deep Space Survey, FITS Liberator (,Flexible Image Transport System),:, Windows NT
Common Path: N/A


Run a Free Scan to check for FIT related errors & to optimize PC performance.

Do you have errors with .FIT files?

The Cause for .FIT files Errors:

Upon receiving errors with .FIT files you are likely receiving a serious Windows file error - this error could be the outcome of damage in your registry and action is needed to correct it at once to avert further damage to the program registry. As long as the errors persist your PC remains capable of possible blue screen errors, hardware failure and fatal crashes.

Symptoms of .FIT files Errors:

.FIT files error symptoms include application lock ups, shut down or start up problems, slow pc operation, sluggish behaviour, input freeze, beeping sounds, problems opening application files as well as problems during software installation.

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