--- header unit 0: primary ---
SIMPLE = T
BITPIX = 16
NAXIS = 2
NAXIS1 = 323
NAXIS2 = 253
DATE_OBS = '23/12/1997' / DD/MM/YYYY
TIME_OBS = '02:16:34' / HH:MM:SS
R_SUN = 1495.2506 / Solar disc radius in pixels
CENT_C = 1534.2343 / Column position of the solar disc center
CENT_R = 1537.5787 / Row position of the solar disc center
CWC_C = 1534.2349 / Column position of the cross-wire center
CWC_R = 1537.5790 / 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 = 0.273884 / Angular Semi-Diameter in degrees
P = 0.0000 / Angle between the sun's and earth's axis
B0 = -2.0008 / Heliographic latitude of the center
L0 = 40.6279 / 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 = 1837 / Row index of the Top Left corner
CTL = 1275 / 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 = '1223021634'
GROUP = '8123c'
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 = 35530.0 / Photosphere level
PhLV1 = 35530.0 / Photosphere level
PhLV2 = 35530.0 / Photosphere level
PhLV3 = 35530.0 / Photosphere level
PhLV4 = 35557.0 / Photosphere level
PhLV5 = 35557.0 / Photosphere level
sigmV0 = 659.1 / Sigma
sigmV1 = 661.6 / Sigma
sigmV2 = 625.9 / Sigma
sigmV3 = 548.1 / Sigma
sigmV4 = 415.5 / Sigma
sigmV5 = 279.6 / Sigma
PhLA = 35557 / Average PhL
sigmA = 494.8 / Average sigma
MaxL = 65534 / Maximum level
PhLVg0 = 354.0 / Photosphere gradient
PhLVg1 = 360.0 / Photosphere gradient
PhLVg2 = 342.0 / Photosphere gradient
PhLVg3 = 299.0 / Photosphere gradient
PhLVg4 = 220.0 / Photosphere gradient
PhLVg5 = 159.0 / Photosphere gradient
sigmVg0 = 232.4 / Sigma gradient
sigmVg1 = 233.4 / Sigma gradient
sigmVg2 = 222.2 / Sigma gradient
sigmVg3 = 196.0 / Sigma gradient
sigmVg4 = 151.4 / Sigma gradient
sigmVg5 = 101.9 / Sigma gradient
PhLAg = 262 / Average gradient
sigmAg = 200.4 / Average sigma gradient
MaxLg = 9978 / Maximum gradient
ImgTypP = W / PhLStat.ImgTyp
PhLVC0 = 35527.0 / Photosphere level
PhLVC1 = 35527.0 / Photosphere level
PhLVC2 = 35527.0 / Photosphere level
PhLVC3 = 35555.0 / Photosphere level
PhLVC4 = 35583.0 / Photosphere level
PhLVC5 = 35611.0 / Photosphere level
sigmVC0 = 626.5 / Sigma
sigmVC1 = 629.1 / Sigma
sigmVC2 = 590.2 / Sigma
sigmVC3 = 485.2 / Sigma
sigmVC4 = 347.5 / Sigma
sigmVC5 = 214.6 / Sigma
PhLAC = 35555 / Average PhL
sigmAC = 450.9 / Average sigma
MaxLC = 65535 / Maximum level
BL = 35795 / Begining level
dL = 141 / Contour step interval