--- header unit 0: primary ---
SIMPLE = T / Written by IDL: Thu Feb 25 10:20:11 2021
BITPIX = 16
NAXIS = 2
NAXIS1 = 2048
NAXIS2 = 2048
COMMENT ---------- General Description ----------
EXTNAME = 'CalciumII-k' / ['Extention name']
DATE = '2023-10-24T17:28:36.850094' / FITS file creation date
FILENAME = 'UCC20210225101604.FTS'
DATE-BEG = '2021-02-25T10:16:04' / [UTC] Start of the data acquisition
DATE-OBS = '2021-02-25T10:16:04' / [UTC] deprecated, same as DATE-BEG
ORIGIN = 'Royal Observatory of Belgium'
SOLARNET = 1
OBS_HDU = 1
COMMENT ---------- Instrument and Observation Configuration ----------
OBSRVTRY = 'ROB'
OBSGEO-X = 4027734 / [m] ECEF X coord of the observer
OBSGEO-Y = 307056 / [m] ECEF Y coord of the observer
OBSGEO-Z = 4919411 / [m] ECEF Z coord of the observer
TELESCOP = 'USET'
INSTRUME = 'USET_CalciumII-K'
CAMERA = 'Retiga Q19300'
XPOSURE = 0.006464 / [s] Total exposure time
WAVEUNIT = -9 / Power of 10 by which the metre is multiplied
WAVEBAN = 2.7 / [Angstrom] bandpass description
WAVELNTH = 393.37 / [nm] wavelength of observation
OBS_MODE = ' bil q3' / Predefined settings used during obs.
COMMENT ---------- Description of Data Content ----------
BTYPE = 'phot.count, em.opt.B' / ['type of data, Unified Content Descriptor']
BUNIT = 'DN' / unit of physical value
BSCALE = 1 / To be multiplied to the data array values
BZERO = 32768 / To be added by the data array values
PHYSPARA = 'INTENSITY' / Physical parameter represented in the data
COMMENT ---------- World Coordinate System ----------
CTYPE1 = 'HPLN-TAN' / ['Helioproj. westward angle, TAN projection']
CTYPE2 = 'HPLT-TAN' / Helioproj. northward angle, TAN projection
CUNIT1 = 'arcsec' / units along axis 1
CUNIT2 = 'arcsec' / units along axis 2
PC1_1 = 0.9359454739752564 / WCS coordinate transformation matrix
PC1_2 = -0.3521449555868048 / WCS coordinate transformation matrix
PC2_1 = 0.3521449555868048 / WCS coordinate transformation matrix
PC2_2 = 0.9359454739752564 / WCS coordinate transformation matrix
CDELT1 = 0.9713080839316031 / [arcsec] pixel scale along axis 1
CDELT2 = 0.9713080839316031 / [arcsec] pixel scale along axis 2
CROTA = 20.61856642603867 / [deg] rotation angle
SOLAR_R = 997.6384750907082 / [pixel] estimated radius of the sun
R_ERROR = 0.007810814723125396 / [pixel] error on the estimated radius
CRVAL1 = 0 / [arcsec] value of reference pixel along axis 1
CRVAL2 = 0 / [arcsec] value of reference pixel along axis 2
CRPIX1 = 1024.5 / [pixel] reference pixel location along axis 1
CRPIX2 = 1024.5 / [pixel] reference pixel location along axis 2
COMMENT ---------- Derived Image Properties ----------
LEVEL = 1 / Data level of fits file
CREATOR = 'USET pipeline - sunFlower' / Name of software that produced the FITS
VERS_SW = '20231004' / Version of software applied
CONTACT = 'S.Bechet' / Contact person at the institution
COMMENT ---------- Solar Ephemeris ----------
SOLAR_B0 = -7.162596560199033 / [deg] tilt of the solar North Pole
SOLAR_P0 = -20.61856642603867 / [deg] celestial North to solar North angle
COMMENT ---------- Other ----------
DOI = '10.24414/nc7j-b391' / Digital Object Identifier
CHECKSUM = 'QITJQGS9QGSGQGS9' / HDU checksum updated 2023-10-24T17:28:37
DATASUM = '3013555101' / data unit checksum updated 2023-10-24T17:28:37