| SIMPLE (Key with value 'T') | YES |
| BITPIX (Number of bits per data pixel) | YES |
| NAXIS (Number of data axes) | YES |
| NAXIS1 (Length of data axis 1) | YES |
| NAXIS2 (Length of data axis 2) | YES |
| EXTEND (Value 'T', FITS dataset may contain extensions) | YES |
| ORIGIN (Origin of file) | YES |
| PI-COI (PI/COI of the project) | |
| DATE (Date this file was written) | YES |
| TELESCOP (Telescope name) | YES |
| INSTRUME (Instrument name) | YES |
| OBJECT (Object name) | YES |
| EQUINOX ([year] Projection reference) | YES |
| FILTER (Filter) | YES |
| GAIN ([e-/ADU] Gain) | YES |
| EXPTIME ([sec] Exposure time) | YES |
| RA ((J2000) pointing) | YES |
| DEC ((J2000) pointing) | YES |
| RADECSYS (Coordinate reference frame) | YES |
| CRVAL1 ([deg] X reference coordinate value) | YES |
| CRVAL2 ([deg] Y reference coordinate value) | YES |
| CRPIX1 ([pixel] X reference pixel) | YES |
| CRPIX2 ([pixel] Y reference pixel) | YES |
| CTYPE1 (Type of Sky projection) | YES |
| CTYPE2 (Type of Sky projection) | YES |
| CD1_1 ([deg/pixel] Matrix rotation) | YES |
| CD1_2 ([deg/pixel] Matrix rotation) | YES |
| CD2_1 ([deg/pixel] Matrix rotation) | YES |
| CD2_2 ([deg/pixel] Matrix rotation) | YES |
| ZP Zeropoint (magnitude (Vega), mag=-2.5*Log(ADU)+ZP) | YES |
| ZP_ERR (Error of zeropoint) | YES |
| TOT-EXPT ([sec] Total cumulative exposure) | YES |
| TOT-IMAG ([image] Total number of stacked images) | YES |
| JD-START (Min Jday of data) | YES |
| JD-END (Max Jday of data) | YES |
| JDAY (Julian Date) | |
| AIRMASS | |