%% Get Information About FITS File
% Use fitsinfo to obtain information about the FITS file tst0012.fits. The returned structure contains Filename, FileModDate, FileSize, Contents, and PrimaryData. In addition to its primary data, the file also contains an example of the extensions BinaryTable, Unknown, Image, and AsciiTable.

S = fitsinfo('tst0012.fits');

%
% View the PrimaryData field.

S.PrimaryData

% The PrimaryData field describes the data in the file. For example, the Size field indicates the data is a 109-by-102 matrix.
%
% View the AsciiTable field.

S.AsciiTable

% The AsciiTable field describes the AsciiTable extension. For example, using the FieldWidth and FieldPos fields you can determine the length and location of each field within a row.
% Copyright 2012 The MathWorks, Inc.