--- header unit 0: primary ---
SIMPLE = T / Written by IDL: Thu Aug 27 16:52:08 2026
BITPIX = 16 / 16-bit twos complement binary integer
NAXIS = 2
NAXIS1 = 1024
NAXIS2 = 1024
DATE = '2026/08/27 16:52:03.144'
FILENAME = '2mr_orcl_260813.fts'
TELESCOP = 'SOHO'
INSTRUME = 'LASCO'
DETECTOR = 'C2'
FILTER = 'Orange'
POLAR = 'Clear'
P1COL = 20
P1ROW = 1
P2COL = 1043
P2ROW = 1024
SUMROW = 0
SUMCOL = 0
LEBXSUM = 1
LEBYSUM = 1
PLATESCL = 11.9000
OFFSET = 0 / Removed in daily median
DATE-OBS = '2026/08/13' / Mid-point of images used (=MID_DATE)
TIME-OBS = '12:00:00'
EXPTIME = 25.0000000000
EXPCMD = 25.0000000000
EXP0 = 25.0000000000
MID_DATE = 61265
MID_TIME = 43200000
R1COL = 20
R1ROW = 1
R2COL = 1043 / From P2COL
R2ROW = 1024 / From P2ROW
READPORT = 'C'
CROTA = 183.658000000 / Median Degrees CCW of observer. Apply CROTA CW
CROTA1 = 183.658000000 / Varies by 2.848 deg.
CROTA2 = 183.658000000
CRPIX1 = 509.200000000 / Median; Varies by 0 pixels
CRPIX2 = 505.500000000 / Median; Varies by 0 pixels
CDELT1 = 11.9000
CDELT2 = 11.9000
CTYPE1 = 'SOLAR-X'
CTYPE2 = 'SOLAR-Y'
CUNIT1 = 'arcsec'
CUNIT2 = 'arcsec'
BUNIT = 'DN'
N_DAYS = 27 / Number of days included
N_IMAGES = 27 / Daily median images used to compute this image
FIRSTDAY = '2026-07-31'
LAST_DAY = '2026-08-26'
COMMENT Date in filename = DATE-OBS = Mid-point of day range
COMMENT Details in /Volumes/data/monthly/rolled/logs/2m_orcl_260813.log
COMMENT CENTER/ROLL source=PredictFile
COMMENT During interval CROTA varies by 2.848 deg.
HISTORY %H%