| HDU_1: | Structure SIMPLE: "T / file does conform to FITS standard" BITPIX: "16 / number of bits per data pixel" NAXIS: "2 / number of data axes" NAXIS1: "1024 / length of data axis 1" NAXIS2: "1024 / length of data axis 2" EXTEND: "T / FITS dataset may contain extensions" COMMENT: " / FITS (Flexible Image Transport System) format is defined in 'Astronomy", " / and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H", " / ", " / 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 FOUNDATION (NSF).", " / THE ADVANCED CORONAL OBSERVING SYSTEM (ACOS) CONSISTS OF 3 SOLAR", " / INSTRUMENTS (ALL LOCATED AT MLSO):", " / DIGITAL PROMINENCE MONITOR (DPM), LOW K-CORONA POLARIMETER (LOWK),", " / & CHROMOSPHERIC HELIUM-1 IMAGING PHOTOMETER (CHIP).", " / IMAGE ORIGIN IS THE LOWER LEFT CORNER; X: LEFT->RIGHT, Y: BOTTOM->TOP." DATE-OBS: "'2006-03-28' / OBSERVATION DATE: CCYY-MM-DD [UTC] DOY 087 2006" TIME-OBS: "'18:59:27' / OBSERVATION TIME: HH:MM:SS [UTC]" TIMESYS: "'UTC ' / COORDINATED UNIVERSAL TIME" ORIGIN: "'MLSO ' / MAUNA LOA SOLAR OBSERVATORY" TELESCOP: "'CHIP ' / CHROMOSPHERIC HELIUM-1 IMAGING PHOTOMETER" INSTRUME: "'CCD ' / KODAK MEGAPLUS 1.6 CCD" CODE-OBS: "'BSH ' / TYPE OF OBSERVATION [CHARACTER CODE]" TYPE-OBS: "'NEAR BLUE' / TYPE OF OBSERVATION [DESCRIPTION]" OBJECT: "'SUN ' / SOURCE OBJECT" TYPE-DP: "'CAL+HELIOCEN' / DATA PROCESSING TYPE" WAVELEN: "1082.96 / CENTRAL WAVE LENGTH OF OBSERVATION [NM]" WAVEWID: "0.14 / BANDPASS OF FILTER [NM]" CTYPE1: "'X ' / AXIS 1 TYPE: X [EAST->WEST ] HELIOCENTRIC" CRPIX1: "5.125000000000000E+02 / X [EAST->WEST ] SUN CENTER [INDEX:PIXELS]" CRVAL1: "0.00 / X [EAST->WEST ] SUN CENTER [ARCSEC]" CDELT1: "2.2900 / X [EAST->WEST ] COORD INCREMENT [ARCSEC/PIXEL]" CROTA1: "0.00 / X [EAST->WEST ] ROTATION [DEG.] FROM REFERENCE" CTYPE2: "'Y ' / AXIS 2 TYPE: Y [SOUTH->NORTH] HELIOCENTRIC" CRPIX2: "5.125000000000000E+02 / Y [SOUTH->NORTH] SUN CENTER [INDEX:PIXELS]" CRVAL2: "0.00 / Y [SOUTH->NORTH] SUN CENTER [ARCSEC]" CDELT2: "2.2900 / Y [SOUTH->NORTH] COORD INCREMENT [ARCSEC/PIXEL]" CROTA2: "0.00 / Y [SOUTH->NORTH] ROTATION [DEG.] FROM REFERENCE" COORDNAM: "'HELIOCENTRIC' / COORDINATE SYSTEM NAME" CRRADIUS: "419.85 / SOLAR RADIUS [PIXELS]" RSUN: "961.45 / SOLAR RADIUS [ARCSEC]" XCEN_RAW: "0.00 / X-AXIS CENTER [PIXELS] RAW IMAGE" YCEN_RAW: "0.00 / Y-AXIS CENTER [PIXELS] RAW IMAGE" FILECEN: "'NONE ' / NAME OF FILE USED FOR CENTER" SOLAR_P0: "-25.98 / SOLAR P-ANGLE [DEGREES]" SOLAR_B0: "-6.71 / SOLAR B-ANGLE [DEGREES]" SOLAR_L0: "173.10 / SOLAR L-ANGLE [DEGREES]: CARR. LONGITUDE" CARR_ROT: "2041 / CARRINGTON ROTATION NUMBER" SOLAR_RA: "0.49 / SOLAR ASCENSION [HOURS: 0-24]" SOLARDEC: "3.16 / SOLAR DECLINATION [DEGREES]" HOUR-ANG: "308.03 / SOLAR HOUR ANGLE [DEG](W.R.T.ZENITH E- W+)" ELEV: "36.73 / SOLAR ELEVATION [DEGREES]" AZIMUTH: "101.07 / SOLAR AZIMUTH [DEGREES]" AIRMASS: "1.67 / AIRMASS [ATMOSPHERES]" H2O: "0.00 / WATER VAPOR" OFFSET: "0.00 / FILTER OFFSET (KM/SEC)" GAIN-DET: "1.000 / DETECTOR GAIN FACTOR" NIMSUM: "1 / NUMBER OF IMAGES SUMMED" EXPDUR: "0.009 / EXPOSURE DURATION [SECONDS]" BUNIT: "'BSUN ' / PIXEL MAGNITUDE UNITS" BSCALE: "1.000 / PHYSICAL = DATA * BSCALE + BZERO" BZERO: "0.000 / PHOTOMETRIC SCALING OFFSET [SEE BSCALE]" DATAMIN: "-998.00 / MINIMUM DATA VALUE [CCD]" DATAMAX: "1022.00 / MAXIMUM DATA VALUE [CCD]" DISPMIN: "-1200.00 / MIN VALUE FOR DISPLAY [UNSCALED]" DISPMAX: "600.00 / MAX VALUE FOR DISPLAY [UNSCALED]" DISP-DIR: "'RU ' / DISPLAY DIRECTION (AXIS 1 2 3): R/L U/D O/I" VERSION: "'ACOS V1.03' / ACOS FITS S/W VERSION" DATE: "'2006-03-29' / FITS FILE GENERATION DATE: CCYY-MM-DD" DATE-CAL: "'0000-00-00' / ACOS CALIBRATION DATE: CCYY-MM-DD"
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| HDU_2: | Structure XTENSION: "'ACOS_HSKP' / MLSO/ACOS HOUSEKEEPING EXTENSION" BITPIX: "32 / 4-BYTE INTEGERS OR FLOATS" NAXIS: "1 / NUMBER OF DIMENSIONS" NAXIS1: "168 / SIZE OF DIMENSION # 1" PCOUNT: "0 / EXTENSION PCOUNT" GCOUNT: "1 / EXTENSION GCOUNT" COMMENT: " / ", " / ", " / ", " / ", " / ", " / ", " / ", " / ", " / ", " / ", " / ", " / ", " / DATA CONTAINS THE ACOS BINARY HEADER STRUCTURE.", " / ALL FIELDS ARE 4 BYTES IN LENGTH: INTEGERS [I] OR FLOATING POINT [F].", " / INDEX 0 [I]: VERSION: 0=DPM, 1=LOWK, 2=CHIP", " / INDEX 1- 6 [I]: YEAR, MONTH, DAY, HOUR, MINUTES, SECOND.", " / INDEX 7- 8 [I]: X-DIMENSION, Y-DIMENSION. 9-11: NSUM, EXPOSURE, GAIN", " / INDEX 12- 13 [I]: OCCULTING DISK DIAMETER, TYPE OBSERVATION.", " / INDEX 14 [F]: WAVELENGTH.", " / INDEX 15- 17 [F]: P-ANGLE, B-ANGLE, L-ANGLE.", " / INDEX 18- 19 [F]: RIGHT ASCENSION, DECLINATION.", " / INDEX 20- 22 [F]: HOUR ANGLE, SOLAR ELEVATION, SOLAR AZIMUTH.", " / INDEX 23- 24 [F]: AIRMASS, SOLAR RADIUS [ARCSEC].", " / INDEX 25- 40 [F]: XSHIFT [ARCSEC] FOR IMAGE SUM.", " / INDEX 41- 56 [F]: YSHIFT [ARCSEC] FOR IMAGE SUM.", " / INDEX 57- 72 [F]: MEASURED DIAMETERS [ARCSEC] FOR IMAGE SUM.", " / INDEX 73-104 [I]: POSITIONS OF ALL 32 OPTICAL DEVICES.", " / INDEX 105-136 [I]: DRIVE REQUESTS FOR ALL 32 OPTICAL DEVICES.", " / INDEX 137-152 [F]: ANALOG READINGS [INTERPRETED] [16].", " / INDEX 153-160 [F]: LCVR [LIQUID CRYSTAL] MILLIVOLT READINGS [8].", " / INDEX 161-166 [F]: MOTOR MICROMETER READINGS [6].", " / INDEX 167 [I]: IMAGE BUFFER DESIGNATION." ORIGIN: "'MLSO ' / MAUNA LOA SOLAR OBSERVATORY" TELESCOP: "'CHIP ' / CHROMOSPHERIC HELIUM-1 IMAGING PHOTOMETER" OBJECT: "'SUN ' / SOURCE OBJECT" TYPE-OBS: "'NEAR BLUE' / TYPE OF OBSERVATION [DESCRIPTION]" DATE-OBS: "'2006-03-28' / OBSERVATION DATE: CCYY-MM-DD [UTC] DOY 087 2006" TIME-OBS: "'18:59:27' / OBSERVATION TIME: HH:MM:SS [UTC]" XSHIFT00: "-4.4164 / XSHIFT [ 0] [PIXELS]" XSHIFT01: "0.0000 / XSHIFT [ 1] [PIXELS]" XSHIFT02: "0.0000 / XSHIFT [ 2] [PIXELS]" XSHIFT03: "0.0000 / XSHIFT [ 3] [PIXELS]" XSHIFT04: "0.0000 / XSHIFT [ 4] [PIXELS]" XSHIFT05: "0.0000 / XSHIFT [ 5] [PIXELS]" XSHIFT06: "0.0000 / XSHIFT [ 6] [PIXELS]" XSHIFT07: "0.0000 / XSHIFT [ 7] [PIXELS]" XSHIFT08: "0.0000 / XSHIFT [ 8] [PIXELS]" XSHIFT09: "0.0000 / XSHIFT [ 9] [PIXELS]" XSHIFT10: "0.0000 / XSHIFT [10] [PIXELS]" XSHIFT11: "0.0000 / XSHIFT [11] [PIXELS]" XSHIFT12: "0.0000 / XSHIFT [12] [PIXELS]" XSHIFT13: "0.0000 / XSHIFT [13] [PIXELS]" XSHIFT14: "0.0000 / XSHIFT [14] [PIXELS]" XSHIFT15: "0.0000 / XSHIFT [15] [PIXELS]" YSHIFT00: "16.4994 / YSHIFT [ 0] [PIXELS]" YSHIFT01: "0.0000 / YSHIFT [ 1] [PIXELS]" YSHIFT02: "0.0000 / YSHIFT [ 2] [PIXELS]" YSHIFT03: "0.0000 / YSHIFT [ 3] [PIXELS]" YSHIFT04: "0.0000 / YSHIFT [ 4] [PIXELS]" YSHIFT05: "0.0000 / YSHIFT [ 5] [PIXELS]" YSHIFT06: "0.0000 / YSHIFT [ 6] [PIXELS]" YSHIFT07: "0.0000 / YSHIFT [ 7] [PIXELS]" YSHIFT08: "0.0000 / YSHIFT [ 8] [PIXELS]" YSHIFT09: "0.0000 / YSHIFT [ 9] [PIXELS]" YSHIFT10: "0.0000 / YSHIFT [10] [PIXELS]" YSHIFT11: "0.0000 / YSHIFT [11] [PIXELS]" YSHIFT12: "0.0000 / YSHIFT [12] [PIXELS]" YSHIFT13: "0.0000 / YSHIFT [13] [PIXELS]" YSHIFT14: "0.0000 / YSHIFT [14] [PIXELS]" YSHIFT15: "0.0000 / YSHIFT [15] [PIXELS]" DIAM00: "840.2936 / DIAM [ 0] [PIXELS]" DIAM01: "0.0000 / DIAM [ 1] [PIXELS]" DIAM02: "0.0000 / DIAM [ 2] [PIXELS]" DIAM03: "0.0000 / DIAM [ 3] [PIXELS]" DIAM04: "0.0000 / DIAM [ 4] [PIXELS]" DIAM05: "0.0000 / DIAM [ 5] [PIXELS]" DIAM06: "0.0000 / DIAM [ 6] [PIXELS]" DIAM07: "0.0000 / DIAM [ 7] [PIXELS]" DIAM08: "0.0000 / DIAM [ 8] [PIXELS]" DIAM09: "0.0000 / DIAM [ 9] [PIXELS]" DIAM10: "0.0000 / DIAM [10] [PIXELS]" DIAM11: "0.0000 / DIAM [11] [PIXELS]" DIAM12: "0.0000 / DIAM [12] [PIXELS]" DIAM13: "0.0000 / DIAM [13] [PIXELS]" DIAM14: "0.0000 / DIAM [14] [PIXELS]" DIAM15: "0.0000 / DIAM [15] [PIXELS]" OPTDEV00: "'FILTER STAGE' / OPTDEV00 NAME" OPTDEV01: "'O2 STAGE' / OPTDEV01 NAME" OPTDEV02: "'CHIP COVER' / OPTDEV02 NAME" OPTDEV03: "'CHIP DIFFUSER' / OPTDEV03 NAME" OPTDEV04: "'CAMERA STROBE' / OPTDEV04 NAME" OPTDEV05: "'DPMON/LOWK O1-S/N' / OPTDEV05 NAME" OPTDEV06: "'DPMON/LOWK O1-E/W' / OPTDEV06 NAME" OPTDEV07: "'COVER ' / OPTDEV07 NAME" OPTDEV08: "'POLARIZER STAGE' / OPTDEV08 NAME" OPTDEV09: "'FILTER WHEEL' / OPTDEV09 NAME" OPTDEV10: "'POLARIZER WHEEL' / OPTDEV10 NAME" OPTDEV11: "'OBJECTIVE WHEEL' / OPTDEV11 NAME" OPTDEV12: "'OCCULTING WHEEL' / OPTDEV12 NAME" OPTPOS00: "'IN ' / FILTER STAGE POSITION" OPTPOS01: "'DPMON ' / O2 STAGE POSITION" OPTPOS02: "'IN ' / CHIP COVER POSITION" OPTPOS03: "'OUT ' / CHIP DIFFUSER POSITION" OPTPOS04: "'NONE ' / CAMERA STROBE POSITION" OPTPOS05: "'? ' / DPMON/LOWK O1-S/N POSITION" OPTPOS06: "'? ' / DPMON/LOWK O1-E/W POSITION" OPTPOS07: "'UNKNOWN ' / COVER POSITION" OPTPOS08: "'IN ' / POLARIZER STAGE POSITION" OPTPOS09: "'DARK ' / FILTER WHEEL POSITION" OPTPOS10: "'45 ' / POLARIZER WHEEL POSITION" OPTPOS11: "'CLEAR ' / OBJECTIVE WHEEL POSITION" OPTPOS12: "'OUT_OF_RANGE' / OCCULTING WHEEL POSITION" OPTDRV00: "'STOP ' / FILTER STAGE DRIVE" OPTDRV01: "'STOP ' / O2 STAGE DRIVE" OPTDRV02: "'STOP ' / CHIP COVER DRIVE" OPTDRV03: "'STOP ' / CHIP DIFFUSER DRIVE" OPTDRV04: "'? ' / CAMERA STROBE DRIVE" OPTDRV05: "'STOP ' / DPMON/LOWK O1-S/N DRIVE" OPTDRV06: "'STOP ' / DPMON/LOWK O1-E/W DRIVE" OPTDRV07: "'STOP ' / COVER DRIVE" OPTDRV08: "'STOP ' / POLARIZER STAGE DRIVE" OPTDRV09: "'STOP ' / FILTER WHEEL DRIVE" OPTDRV10: "'STOP ' / POLARIZER WHEEL DRIVE" OPTDRV11: "'STOP ' / OBJECTIVE WHEEL DRIVE" OPTDRV12: "'OUT_OF_RANGE' / OCCULTING WHEEL DRIVE" ANALOG00: "17.5890 / DPMON/LOWK PLATE TEMP (C)" ANALOG01: "17.2380 / DPMON/LOWK AIR TEMP (C)" ANALOG02: "41.6325 / DPMON/LOWK FILTER TEMP (C)" ANALOG03: "-19.9680 / DPMON/LOWK SPARE TEMP (C)" ANALOG04: "5.0142 / LOWK PBS TEMP (C)" ANALOG05: "5.0142 / LOWK MODULATOR TEMP (C)" ANALOG06: "-0.0049 / SKY TRANSMISSION (ARB)" ANALOG07: "-0.0146 / SPARE VOLTAGE (V)" ANALOG08: "34.5138 / CHIP FILTER TEMP (C)" ANALOG09: "21.8400 / CHIP PLATE TEMP (C)" ANALOG10: "22.2885 / CHIP AIR TEMP (C)" ANALOG11: "9.3015 / CHIP DOME TEMP (C)" ANALOG12: "0.0098 / GUIDER X ERROR (ARB)" ANALOG13: "0.8350 / GUIDER Y ERROR (ARB)" ANALOG14: "0.0049 / O1 X ERROR (ARB)" ANALOG15: "0.0146 / O1 Y ERROR (ARB)" LCVR00: "3694.0000 / CHIP FILTER STAGE 4 (V)" LCVR01: "1935.0000 / CHIP FILTER STAGE 3 (V)" LCVR02: "5897.0000 / CHIP FILTER STAGE 2 (V)" LCVR03: "2177.0000 / CHIP FILTER STAGE 1 (V)" LCVR04: "0.0000 / SPARE LCVR 3 (V)" LCVR05: "0.0000 / SPARE LCVR 2 (V)" LCVR06: "0.0000 / SPARE LCVR 1 (V)" LCVR07: "0.0000 / LOWK MODULATOR STAGE 1 (V)" MIC00: "0.0000 / CHIP CAMERA Z (MICRONS)" MIC01: "0.0000 / CHIP O1 X (MICRONS)" MIC02: "0.0000 / CHIP O1 Y (MICRONS)" MIC03: "0.0000 / DPMON/LOWK C1 X (MICRONS)" MIC04: "0.0000 / DPMON/LOWK C1 Y (MICRONS)" MIC05: "0.0000 / DPMON/LOWK C1 Z (MICRONS)" BUFFER: "-277858840 / BUFFER NUMBER [LOWK]"
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