The IHAP header contains the description of the data in a fixed, binary
format. With reference to the IHAP manual, the translation of this
information into MIDAS descriptors are given in Table 
. IHAP defines the end of exposure which is converted to exposure time. Also, start and end are given for image axes instead of start and number of pixels
Table: Name translation between IHAP header and
MIDAS descriptors. Asterisk indicates that the value is transformed (see text).
In addition to the main header, keywords and comments may exsist. They are saved in the descriptor O_COM in ASCII format.