--- header unit 0: primary ---
SIMPLE = T / file does conform to FITS standard
BITPIX = 16 / number of bits per data pixel
NAXIS = 0 / number of data axes
EXTEND = T / FITS dataset may contain extensions
COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy
COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H
LONGSTRN = 'OGIP 1.0' / The OGIP long string convention may be used
COMMENT This FITS file may contain long string keyword values that are
COMMENT continued over multiple keywords. This convention uses the '&'
COMMENT character at the end of the string which is then continued
COMMENT on subsequent keywords whose name = 'CONTINUE'.
IMAGEW = 4032 / image width
IMAGEH = 3024 / image height
ANRUN = T / Solve this field!
ANVERUNI = T / Uniformize field during verification
ANVERDUP = F / Deduplicate field during verification
ANAPPL1 = 13.3928571429 / scale: arcsec/pixel min
ANAPPU1 = 160.714285714 / scale: arcsec/pixel max
ANTWEAK = T / Tweak: yes please!
ANTWEAKO = 2 / Tweak order
ANRDLS = 'rdls.fits' / ra-dec output file
ANWCS = 'wcs.fits' / WCS header output filename
ANCORR = 'corr.fits' / Correspondences output filename
--- header unit 1: binary table ---
XTENSION = 'BINTABLE' / binary table extension
BITPIX = 8 / 8-bit bytes
NAXIS = 2 / 2-dimensional binary table
NAXIS1 = 16 / width of table in bytes
NAXIS2 = 1000 / number of rows in table
PCOUNT = 0 / size of special data area
GCOUNT = 1 / one data group (required keyword)
TFIELDS = 4 / number of fields in each row
TTYPE1 = 'X' / label for field 1
TFORM1 = 'E' / data format of field: 4-byte REAL
TTYPE2 = 'Y' / label for field 2
TFORM2 = 'E' / data format of field: 4-byte REAL
TTYPE3 = 'FLUX' / label for field 3
TFORM3 = 'E' / data format of field: 4-byte REAL
TTYPE4 = 'BACKGROUND' / label for field 4
TFORM4 = 'E' / data format of field: 4-byte REAL
SRCEXT = 1 / Extension number in src image
IMAGEW = 4032 / Input image width
IMAGEH = 3024 / Input image height
ESTSIGMA = 0.8948118 / Estimated source image variance
DPSF = 1. / image2xy Assumed gaussian psf width
PLIM = 8. / image2xy Significance to keep
DLIM = 1. / image2xy Closest two peaks can be
SADDLE = 5. / image2xy Saddle difference (in sig)
MAXPER = 1000 / image2xy Max num of peaks per object
MAXPEAKS = 100000 / image2xy Max num of peaks total
MAXSIZE = 2000 / image2xy Max size for extended objects
HALFBOX = 100 / image2xy Half-size for sliding sky window
COMMENT The X and Y points are specified assuming 1,1 is the center of the leftm
COMMENT ost bottom pixel of the image in accordance with the FITS standard.