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The secondary binary structure extensions are accessed with mrdfits.pro. Please note that mrdfits does not
properly use BZERO and BSCALE, and should not be used to read in
image data! The binary structures come out exactly as they were written, with
the same structure tags.
IDL> cobj=mrdfits('cobjfile.fit',1) ;The 1 signifies the 1st extension
MRDFITS: Binary table. 7 columns by 4323 rows.
RA FLOAT 21.6110