Attributes {
    HDU_1 {
        String SIMPLE "T / FITS file: MLSO Mark-4 K-coronameter";
        String BITPIX "16 / 2-byte signed integers";
        String NAXIS "2 / number of dimensions";
        String NAXIS1 "720 / size of Position Angle dimension";
        String NAXIS2 "384 / size of Radius dimension";
        String EXTEND "T / extension(s) possible";
        String ORIGIN "'HAO' / High Altitude Observatory (HAO)";
        String TELESCOP "'Mk4' / Mark-4 K-Coronameter (Mk4)";
        String INSTRUME "'Dalsa' / rotating 2048-element Dalsa linear array";
        String DATE-OBS "'2006-03-08' / observation date: CCYY-MM-DD [2006 DOY 067]";
        String TIME-OBS "'17:28:59' / observation time: HH:MM:SS";
        String OBJECT "'corona' / white light [700-1080 nanometers]";
        String TYPE-OBS "'pB' / polarization Brightness";
        String VIGNET "'N' / image vignetted: [Y or N]";
        String NIMAVG "1 / number of images averaged";
        String DATAFORM "'Polar' / Mk4 data form";
        String COORDNAM "'Heliocentric' / coordinate system";
        String CTYPE1 "'Position Angle' / axis 1 type: Position Angle [CCW]";
        String CRPIX1 "0.00 / Position Angle Solar North [pixel]";
        String CRVAL1 "0.00 / Position Angle Solar North [degrees]";
        String CDELT1 "0.5 / Position Angle coord increment [degrees/pixel]";
        String CROTA1 "0.00 / Position Angle rotation [deg.] from reference";
        String CTYPE2 "'Radius' / axis 2 type  Radius";
        String CRPIX2 "-178.28 / Radius Sun Center [PIXEL]";
        String CRVAL2 "0.00 / Radius Sun Center [arcsec]";
        String CDELT2 "5.05416 / Radius coord increment [arcsec/pixel]";
        String CROTA2 "0.00 / Radius rotation [deg.] from reference";
        String ROLLADJ "0.00 / image rotated  0.00 deg CCW";
        String CRRADIUS "191.29 / solar radius [pixels]";
        String RSUN "966.82 / solar radius [arcsec]";
        String SOLAR_P0 "-23.25 / solar P-angle [degrees]";
        String SOLAR_B0 "-7.24 / solar B-angle [degrees]";
        String SOLAR_L0 "77.83 / Solar L-angle [degrees]: Carr. Longitude";
        String CARR_ROT "2040 / Carrington Rotation number";
        String BUNIT "'Bsun' / magnitude units";
        String BSCALE "1.000000e-10 / physical = data * BSCALE + BZERO";
        String BZERO "-1.000000e-07 / ";
        String DATAMIN "-3.377e-06 / minimum data value (-3.277e+04)";
        String DATAMAX "3.177e-06 / maximum data value ( 3.277e+04)";
        String DISPMIN "-5.000e-08 / min. display value (       500)";
        String DISPMAX "5.000e-07 / max. display value (      6000)";
        String DIRAXIS1 "'RIGHT' / display direction for axis 1 [X]";
        String DIRAXIS2 "'UP' / display direction for axis 2 [Y]";
        String TMIN "0.00 / START BARREL ANGLE [DEGREES]";
        String TMAX "359.50 / STOP  BARREL ANGLE [DEGREES]";
        String RMIN "1.10 / inner field-of-view limit [Rsun]";
        String RMAX "2.85 / outer field-of-view limit [Rsun]";
        String TSCPFILE "'06d067.18_22.mk4.tscpinv' / TSCP file";
        String REFFILE "'06d067.18_16.mk4.q' / reference file";
        String CVERSION "'Version 2.1' / calibration version";
        String DATE-CAL "'2006-03-09' / Mk4 calibration date :       CCYY-MM-DD";
        String DATE "'2006-03-09' / date of FITS file creation : CCYY-MM-DD";
        String VERSION "'Mk4 v2.12' / mk4fits software version";
        String key_54 " /   ----------------------------------------------------------------------";
        String COMMENT " /   For images, pixels are displayed with the origin at the lower left", " /   corner ; i.e., horizontal scans (left to right), with the first scan", " /   at the bottom of the image, & the last scan at the top.", " /   Axis 1 is the azimuthal axis and axis 2 is the radial axis.", " /   TMIN & TMAX indicate the start/stop angles for the azimuthal axis.", " /   Calibrated brightness measurements in the Mark-4 data are specified", " /   in units of Bsun, which is a ratio of brightness of the corona to the", " /   mean brightness of the solar disk.  To convert integer pixel values", " /   to Bsun units, multiply each pixel value by BSCALE & add BZERO.", " /   Intensity data is *QUANTITATIVELY* useful only when BUNIT='Bsun'.", " /   The Mark-4 K-coronameter (Mk4) observes the lower corona [700-950 nm]", " /   from ~1.10 to ~2.85 solar radii [Rsun], using a 2048-element linear", " /   Dalsa array (sampled to 384 pixels) aligned along a radial direction", " /   outward from the center of the sun.  The detector is rotated over a", " /   3-minute period to accumulate a set of radial rays, which may be", " /   converted from polar to Cartesian (i.e., rectangular) coordinates.", " /   The Mauna Loa Solar Observatory (MLSO) is located on the island of", " /   Hawaii, and is operated by the High Altitude Observatory (HAO),", " /   a division of the National Center for Atmospheric Research (NCAR),", " /   under sponsorship of the National Science Foundataion(NSF).";
        String key_60 " /   ----------------------------------------------------------------------";
        String key_66 " /   ----------------------------------------------------------------------";
    }
    HDU_2 {
        String XTENSION "'IMAGE   ' / FITS EXTENSION";
        String BITPIX "8 / MIXTURE OF CHAR[C], INT[I], FLOAT[F] VARIABLES";
        String NAXIS "1 / NUMBER OF DIMENSIONS";
        String NAXIS1 "1024 / SIZE OF DIMENSION # 1";
        String PCOUNT "0 / EXTENSION PCOUNT";
        String GCOUNT "1 / EXTENSION GCOUNT";
        String EXTNAME "'MK4_HSKP' / MLSO/MK4 BINARY HEADER EXTENSION";
        String COMMENT " /  KEYWORDS & PARAMETERS BELOW DESCRIBE THE MK4 BINARY HEADER CONTENTS:", " /                        / BYTES 884-1023 [C]: FILL BYTES";
        String I_YEAR "2006 / BYTES   0-  3 [I]: IMAGE YEAR: CCYY";
        String I_MONTH "3 / BYTES   4-  7 [I]: IMAGE MONTH: 1-12";
        String I_DAY "8 / BYTES   8- 11 [I]: IMAGE DAY: 1-31";
        String I_HOUR "17 / BYTES  12- 15 [I]: IMAGE HOUR: 0-23";
        String I_MINUTE "28 / BYTES  16- 19 [I]: IMAGE MINUTE: 0-59";
        String I_CENSEC "5900 / BYTES  20- 23 [I]: IMAGE CENTISEC: seconds*100";
        String I_JULD "38782 / BYTES  24- 27 [I]: IMAGE JULIAN DATE";
        String I_DOY "67 / BYTES  28- 31 [I]: IMAGE DAY-OF-YEAR: 1-366";
        String I_TIME "3776340 / BYTES  32- 35 [I]: IMAGE TIME: HERTZ UNITS";
        String XDIM "720 / BYTES  36- 39 [I]: X-AXIS DIMENSION";
        String YDIM "384 / BYTES  40- 43 [I]: Y-AXIS DIMENSION";
        String DURATION "9805 / BYTES  44- 47 [I]: SCAN DURATION [HZ]";
        String JULDREF "2415021 / BYTES  48- 51 [I]: Julian Ref: 1 Jan 1900";
        String IMGDTYPE "16 / BYTES  48- 51 [I]: bits/pixel";
        String FILL1_0 "0 / BYTES  52- 55 [I]: FILL BYTES";
        String FILL1_1 "0 / BYTES  56- 59 [I]: FILL BYTES";
        String PANGLE "-23.25 / BYTES  64- 67 [F]: SOLAR P-ANGLE [DEGREES]";
        String BANGLE "-7.24 / BYTES  68- 71 [F]: SOLAR B-ANGLE [DEGREES]";
        String LANGLE "77.59 / BYTES  72- 75 [F]: SOLAR L-ANGLE [DEGREES]";
        String RA "348.97 / BYTES  76- 79 [F]: RIGHT ASCENSION";
        String DEC "-4.74 / BYTES  80- 83 [F]: DECLINATION";
        String HA "-76.02 / BYTES  84- 87 [F]: SOLAR HOUR-ANGLE [DEGREES]";
        String ELEV "11.49 / BYTES  88- 91 [F]: SOLAR ELEVATION";
        String AZIMUTH "99.30 / BYTES  92- 95 [F]: SOLAR AZIMUTH";
        String AMASS "5.02 / BYTES  96- 99 [F]: AIR MASS";
        String RADIUS "966.82 / BYTES 100-103 [F]: SOLAR RADIUS [ARCSEC]";
        String SKYTX "4090.00 / BYTES 104-107 [F]: SKY TRANSMISSION MAX VALUE.";
        String MK4PHASE "-6.31 / BYTES 108-111 [F]: MK4 COORD FRAME PHASE [DEG]";
        String SKYTXUSE "320.79 / BYTES 116-119 [F]: SKY TRANSMISSION USED.";
        String DATASCL "1.000000e+10 / BYTES 120-123 [F]: DATA SCALE";
        String DATAOFF "1.000000e+03 / BYTES 124-127 [F]: DATA OFFSET";
        String SPARE2 "0.00 / BYTES 128-131 [F]: SPARE 2";
        String ORGHAIR0 "110.40 / BYTES 132-135 [F]: ORIGINAL HAIRLINE LOC [0]";
        String ORGHAIR1 "275.97 / BYTES 136-139 [F]: ORIGINAL HAIRLINE LOC [1]";
        String HAIR0 "103.63 / BYTES 140-143 [F]: HAIRLINE LOCATION [0]";
        String HAIR1 "275.68 / BYTES 144-147 [F]: HAIRLINE LOCATION [1]";
        String XCEN "-9999.00 / BYTES 112-115 [F]: X-AXIS SUN CENTER [PIXELS]";
        String YCEN "-9999.00 / BYTES 148-151 [F]: Y-AXIS SUN CENTER [PIXELS]";
        String PIXSCL "-9999.00 / BYTES 152-155 [F]: SCALE [CARTESIAN:PIX/RSUN]";
        String R0 "0.931973 / BYTES 156-159 [F]: RADIUS LOWEST PIXEL [RSUN]";
        String DR "0.00522762 / BYTES 160-163 [F]: RADIAL PIXEL INC. [RSUN]";
        String RMAXD "2.93415 / BYTES 164-167 [F]: RADIUS OF HIGHEST PIXEL";
        String TH_MIN "0.00 / BYTES 168-171 [F]: MINIMUM SCAN ANGLE [DEGREES]";
        String TH_MAX "359.50 / BYTES 172-175 [F]: MAXIMUM SCAN ANGLE [DEGREES]";
        String RAW_TMIN "-183.00 / BYTES 176-179 [F]: RAW MIN.SCAN ANGLE [DEGREES]";
        String RAW_TMAX "183.00 / BYTES 180-183 [F]: RAW MAX.SCAN ANGLE [DEGREES]";
        String BACKLASH "0.50 / BYTES 184-187 [F]: BACKLASH ADJ APPLIED [DEG]";
        String PHASE "30.00 / BYTES 188-191 [F]: PHASE OFFSET [DEGREES]";
        String OBSTYPE "1000 / BYTES 192-195 [I]: OBS: CAL0,CAL15,DARK,CORONA";
        String DATA_TYP "1 / BYTES 196-199 [I]: DATA TYPE: I, Q, U";
        String PROCSTEP "13 / BYTES 200-203 [I]: DP: RAW,CAL,AVG,RECT,SLIT";
        String BAR_DIR "1 / BYTES 204-207 [I]: SCAN DIRECTION:-1=REV +1=FWD";
        String NRAY "981 / BYTES 208-211 [I]: NUMBER OF RADIAL RAYS";
        String PIXELS "384 / BYTES 212-215 [I]: NUMBER OF PIXELS";
        String FILL2 "0 / BYTES 216-219 [I]: FILL BYTES";
        String C_YEAR "2006 / BYTES 220-223 [I]: CAL YEAR: CCYY";
        String C_MONTH "3 / BYTES 224-227 [I]: CAL MONTH: 1-12";
        String C_DAY "9 / BYTES 228-231 [I]: CAL DAY: 1-31";
        String C_HOUR "10 / BYTES 232-235 [I]: CAL HOUR: 0-23";
        String C_MINUTE "31 / BYTES 236-239 [I]: CAL MINUTE: 0-59";
        String C_CENSEC "2300 / BYTES 240-243 [I]: CAL CENTISEC: seconds * 10";
        String C_JULD "38783 / BYTES 244-247 [I]: CAL JULIAN DATE";
        String C_DOY "67 / BYTES 248-251 [I]: CAL DAY-OF-YEAR: 1-366";
        String C_TIME "2272980 / BYTES 252-255 [I]: CAL TIME: HERTZ UNITS";
        String TSCPFILE "'06d067.18_22.mk4.tscpinv' / BYTES 256-319 [C]: TSCP FILE";
        String REFFILE "'06d067.18_16.mk4.q' / BYTES 320-383 [C]: REFERENCE FILE";
        String CVERSION "'Version 2.1' / BYTES 384-447 [C]: VERSION";
        String AVGTIME1 "'                    ' / BYTES 448-467 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME2 "'                    ' / BYTES 468-487 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME3 "'                    ' / BYTES 488-507 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME4 "'                    ' / BYTES 508-527 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME5 "'                    ' / BYTES 528-547 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME6 "'                    ' / BYTES 548-567 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME7 "'                    ' / BYTES 568-587 [C]: IMAGE TIMES FOR AVERAGE";
        String AVGTIME8 "'                    ' / BYTES 588-607 [C]: IMAGE TIMES FOR AVERAGE";
        String JULDATE0 "37864.885400 / BYTES 608-615 [D]: START DATE FOR INST. PARAM.";
        String JULDATE1 "40000.000000 / BYTES 616-623 [D]: END   DATE FOR INST. PARAM.";
        String BOPAL "1.38e-05 / BYTES 624-627 [F]: OPAL TRANSMISSION";
        String TRT "0.847389 / BYTES 628-631 [F]: TILTPLATE TRANSMISSION";
        String FPT "0.01641 / BYTES 632-635 [F]: TILTPLATE POLARIZATION";
        String IDSPARE "-9999 / BYTES 636-639 [F]: SPARE";
        String KAPPA "1.000000 / BYTES 640-643 [F]: B=KAPPA*(I^(KAPPA-1)";
        String BAROFF "2.85 / BYTES 644-647 [F]: BARREL OFFSET [DEG].";
        String HAIRSPT0 "103.66 / BYTES 648-651 [F]: HAIR SPOT 0.";
        String HAIRSPT1 "275.67 / BYTES 652-655 [F]: HAIR SPOT 1.";
        String R0_ID "0.938592 / BYTES 656-659 [F]: R0 [RSUN] 960 ARCSEC/RSUN.";
        String DR_ID "0.00526475 / BYTES 660-663 [F]: PIXEL INCREMENT [RSUN].";
        String GOODRMIN "1.10 / BYTES 664-667 [F]: MINIMUM HEIGHT [RSUN].";
        String GOODRMAX "2.85 / BYTES 668-671 [F]: MAXIMUM HEIGHT [RSUN].";
        String BIASSPT0 "0.00 / BYTES 672-675 [F]: LOWEST  PIXEL FOR BIAS [RSUN";
        String BIASSPT1 "9.00 / BYTES 676-679 [F]: HIGHEST PIXEL FOR BIAS [RSUN";
        String ZEROSKY "376.00 / BYTES 680-683 [F]: SKY TRANSMISSION MAXIUMUM.";
        String VENUSFAC "1.00 / BYTES 684-687 [F]: VENUS CALIBRATION FACTOR.";
        String EXTRAFAC "1.00 / BYTES 688-691 [F]: VENUS CALIBRATION FACTOR.";
        String DIFF_FAC "2.50 / BYTES 692-695 [F]: DIFFRACTION CAL. FACTOR.";
        String DIFF_PIX "40 / BYTES 696-699 [I]: HIGHEST PIXEL FOR DIFFRACTIO";
        String PHIPIX "192 / BYTES 700-703 [I]: HIGHEST PIXEL FOR DIFFRACTIO";
        String POLCKPIX "40 / BYTES 704-707 [I]: REV. POLARITY PIXEL OFFSET.";
        String NEGPIX0 "35 / BYTES 708-711 [I]: LOWEST  PIXEL FOR NEG. FIX.";
        String NEGPIX1 "365 / BYTES 712-715 [I]: HIGHEST PIXEL FOR NEG. FIX.";
        String WRAPPIX0 "20 / BYTES 716-719 [I]: LOWEST  PIXEL FOR NEG. WRAP.";
        String WRAPPIX1 "34 / BYTES 720-723 [I]: HIGHEST PIXEL FOR NEG. WRAP.";
        String RINGPIX0 "340 / BYTES 724-727 [I]: LOWEST  PIXEL FOR RING SEARC";
        String RINGPIX1 "370 / BYTES 728-731 [I]: HIGHEST PIXEL FOR RING SEARC";
        String RINGPIXR "300 / BYTES 732-735 [I]: RING REFERENCE HEIGHT.";
        String CORRECT0 "'gain_0.200309022115' / BYTES 736-799 [C]: CORRECT #0 FILE.";
        String CORRECT1 "'gain_1.200309022115' / BYTES 800-863 [C]: CORRECT #1 FILE.";
        String QUXFORM "7.27 / BYTES 864-867 [F]: quXform ANGLE [DEGREES].";
        String DEPOLAMP "0.00 / BYTES 868-871 [F]: depol AMPLITUDE.";
        String DEPOLPHI "-40.17 / BYTES 872-875 [F]: depol ANGLE [DEGREES].";
        String DSCANAMP "0.00 / BYTES 876-879 [F]: depolscan AMPLITUDE.";
        String DSCANPHI "28.71 / BYTES 880-883 [F]: depolscan ANGLE [DEGREES].";
    }
}