|MIME types: application/fits, image/fits|
FITS scientific image and data format.
Standard format for the exchange and archival storage of astronomical data.
Endorsed by NASA and the International Astronomical Union.
FITS is an acronym for Flexible Image Transport System.
Mixed ASCII and binary format.
Stores spectral data and raster images as uncompressed arrays.
Allows format extensions.
Developed in 1979 by Don Wells, Eric Greisen and others.
|"Elements"||list of elements and options available in this file|
|"Rules"||full list of rules for each element and option|
|"Options"||list of rules for options, properties, and settings|
|"Data"||array of adjusted color or grayscale values|
|"DataType"||data type used to store color or grayscale data in the file|
|"Image"||raster image object|
|"Range"||minimum and maximum raw data values|
|"Graphics"||Graphics object representing an image|
|"RawData"||array of raw pixel values|
|"BitDepth"||bits used to represent gray-level pixels in the file|
|"ColorSpace"||color encoding used in the file (typically GrayLevel)|
|"Metadata"||raw metadata as stored in the file|
|"Comments"||comments stored in the file, given as a list of strings|
|"History"||description of how the data or image has been processed|
|"Object"||name of the observed object|
|"Observer"||person who recorded the data or image|
|"Organization"||organization or institution responsible for creating this file|
|"RightAscension"||right ascension setting of the telescope axis|
|"Declination"||declination setting of the telescope axis|
|"HourAngle"||hour angle of the depicted object when the image was taken|
|"SiderealTime"||sidereal time (LST)|
|"Equinox"||equinox for the celestial coordinate system used in this file, typically given in years|
|"ExposureTime"||photographic exposure time in seconds|
|"ObservationDate"||date and time the observation was made|
|"Telescope"||telescope that captured the image|
|"Device"||recording instrument (e.g. camera)|
|"Author"||person who compiled the image information|
|"Reference"||bibliographic reference associated with this file|
|"TableData"||data array representing the ASCII table extension|
|"TableHeaders"||column headers, given as a list of strings|
|"TableUnits"||units of measurement corresponding to the table columns|
|"Plaintext"||ASCII table extension represented as a single character string|