--- header unit 0: primary ---
SIMPLE = T / Written by IDL: Mon Apr 13 03:52:45 2026
BITPIX = 16
NAXIS = 2
NAXIS1 = 1024 / Number of positions along axis 1
NAXIS2 = 1024 / Number of positions along axis 2
FILENAME = '43548508.fts'
FILEORIG = '260413_010225.img'
DATE = '2026/04/13 03:52:42.724'
DATE-OBS = '2026/04/13'
TIME-OBS = '01:00:31.805'
P1COL = 20
P1ROW = 1
P2COL = 1043
P2ROW = 1024
VERSION = 2
EXPTIME = 12.5942
EXP0 = 10.0000
EXPCMD = 10.0000
EXP1 = 6.48438
EXP2 = 2.52441
EXP3 = 2.59424
TELESCOP = 'SOHO'
INSTRUME = 'EIT'
DETECTOR = 'EIT'
READPORT = 'B'
SUMROW = 0
SUMCOL = 0
LEBXSUM = 1
LEBYSUM = 1
SHUTTR = 0
LAMP = 0
FILTER = 'Al +1'
SECTOR = '171A'
LP_NUM = 'Seq PW'
OS_NUM = 4181
IMGCTR = 764
IMGSEQ = 0
COMPRSSN = 'XZR'
MID_DATE = 61143
MID_TIME = 3638.10
PLATESCL = 2.59000
OFFSET = 840
IMAGE_CT = 764
SEQ_NUM = 0
OBT_TIME = 2154733266.80
R1COL = 20
R1ROW = 1
R2COL = 1043
R2ROW = 1024
EFFPORT = 'B'
RECTIFY = 'TRUE'
DATAMIN = 818.000
DATAMAX = 4113.00
DATAZER = 0
DATASAT = 0
DATAAVG = 944.983
DATASIG = 117.997
DATAP01 = 829
DATAP10 = 844
DATAP25 = 864
DATAP75 = 988
DATAP90 = 1075
DATAP95 = 1149
DATAP98 = 1254
DATAP99 = 1356
CRPIX1 = 509.380 / Using SOHO roll and eit_point.pro
CRPIX2 = 520.340
CRVAL1 = 0.00000
CRVAL2 = 0.00000
CROTA1 = 4.40728 / Using SOHO roll and eit_point.pro
CROTA2 = 4.40728
CTYPE1 = 'SOLAR-X'
CTYPE2 = 'SOLAR-Y'
CUNIT1 = 'ARCSEC'
CUNIT2 = 'ARCSEC'
CDELT1 = 2.58999991417
CDELT2 = 2.58999991417
HISTORY offset_bias.pro 1.32, 09/01/11, 840
HISTORY V15 18 Jun 1997 MAKE_FITS_HDR
HISTORY 3