--- header unit 0: primary ---
SIMPLE = T
BITPIX = 16
NAXIS = 2
NAXIS1 = 610
NAXIS2 = 253
DATE_OBS = '21/05/1998' / DD/MM/YYYY
TIME_OBS = '04:47:34' / HH:MM:SS
R_SUN = 1453.8746 / Solar disc radius in pixels
CENT_C = 1534.2076 / Column position of the solar disc center
CENT_R = 1535.8740 / Row position of the solar disc center
CWC_C = 1534.2083 / Column position of the cross-wire center
CWC_R = 1535.8743 / Row position of the cross-wire center
K = 1.0000 / Scanner correction factor
PS = 0.0000 / Angle of the sun's axis (from the column)
ASD = 0.266348 / Angular Semi-Diameter in degrees
P = 0.0000 / Angle between the sun's and earth's axis
B0 = -2.0229 / Heliographic latitude of the center
L0 = 234.3619 / Heliographic longitude of the center
Er = 1.000000 / Plate scale along the rows, mm/pixel
Ec = 1.000000 / Plate scale along the columns, mm/pixel
RTL = 1991 / Row index of the Top Left corner
CTL = 894 / Column index of the Top Left corner
TPOS = 'e' / Telescope Position
TILTC = F / Tilt Correction
DISTC = F / Distortion Correction
REFC = F / Refraction Correction
LDC = T / Limb Darkening Correction
BGRE = T / Background Equalization
IDIF = 'NONE' / Illuminating Distribution Image File
TELESCOP = 'SOHO/MDI'
PLATE = '0521044734'
GROUP = '8224m'
TYPE = 'FITSPC'
nV = 6 / Sample number
rV0 = 0.000000 / Normalized radius
rV1 = 0.300000 / Normalized radius
rV2 = 0.500000 / Normalized radius
rV3 = 0.700000 / Normalized radius
rV4 = 0.880000 / Normalized radius
rV5 = 1.000000 / Normalized radius
PhLV0 = 38549.0 / Photosphere level
PhLV1 = 38549.0 / Photosphere level
PhLV2 = 38565.0 / Photosphere level
PhLV3 = 38565.0 / Photosphere level
PhLV4 = 38565.0 / Photosphere level
PhLV5 = 38580.0 / Photosphere level
sigmV0 = 851.3 / Sigma
sigmV1 = 852.9 / Sigma
sigmV2 = 808.6 / Sigma
sigmV3 = 723.3 / Sigma
sigmV4 = 540.9 / Sigma
sigmV5 = 367.4 / Sigma
PhLA = 38565 / Average PhL
sigmA = 645.8 / Average sigma
MaxL = 65534 / Maximum level
PhLVg0 = 450.0 / Photosphere gradient
PhLVg1 = 454.0 / Photosphere gradient
PhLVg2 = 437.0 / Photosphere gradient
PhLVg3 = 391.0 / Photosphere gradient
PhLVg4 = 298.0 / Photosphere gradient
PhLVg5 = 223.0 / Photosphere gradient
sigmVg0 = 290.0 / Sigma gradient
sigmVg1 = 291.7 / Sigma gradient
sigmVg2 = 282.3 / Sigma gradient
sigmVg3 = 253.1 / Sigma gradient
sigmVg4 = 199.4 / Sigma gradient
sigmVg5 = 137.3 / Sigma gradient
PhLAg = 349 / Average gradient
sigmAg = 254.2 / Average sigma gradient
MaxLg = 7059 / Maximum gradient
ImgTypP = W / PhLStat.ImgTyp
PhLVC0 = 38518.0 / Photosphere level
PhLVC1 = 38502.0 / Photosphere level
PhLVC2 = 38518.0 / Photosphere level
PhLVC3 = 38533.0 / Photosphere level
PhLVC4 = 38580.0 / Photosphere level
PhLVC5 = 38627.0 / Photosphere level
sigmVC0 = 811.6 / Sigma
sigmVC1 = 811.1 / Sigma
sigmVC2 = 762.4 / Sigma
sigmVC3 = 639.6 / Sigma
sigmVC4 = 455.6 / Sigma
sigmVC5 = 284.3 / Sigma
PhLAC = 38565 / Average PhL
sigmAC = 587.3 / Average sigma
MaxLC = 65535 / Maximum level
BL = 38792 / Begining level
dL = 184 / Contour step interval