SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 2 / number of data axes NAXIS1 = 2048 / length of data axis 1 NAXIS2 = 2048 / length of data axis 2 EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'AstronomyCOMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H COMMENT Latest FITS format is defined in Astronomy & Astrophysics (2010) COMMENT 524, A42. This Level 0 header does not conform with WCS or COMMENT Solar Soft conventions. DATE-OBS= '2024-02-19' / FILENAME= '20240219003902Bh.fts' / Original file name JPEG-Q = 90 / JPEG compression quality, 0..100 (ISOON) BZERO = 0. / Zero point of scaling to physical values BSCALE = 1. / Scale factor for scaling to physical values COMMENT ISOON camera parameters & stats EXPTIME = 0.00126487505464555 / Exposure time in seconds (GONG) EXPTYPE = 'Image ' / Image type NSUMMED = 4 / No. of exposures summed for this image (GONG) CCD_TMP = 0 / CCD temperature in Celcius CAM_TMP = 0 / Camera electronics temperature in Celcius CAMTYPE = 0 / Camera type NUM_POL = 0 / Number of polarization states RMS_XROI= 960 / X starting position of RMS ROI box (GONG) RMS_YROI= 960 / Y starting position of RMS ROI box (GONG) RMS_SIZE= 181 / Axis length of RMS ROI box (GONG) RMS = 3028.21825304682 / RMS of pixel values in RMS ROI box (GONG) DARKFILE= 'DARK.fts' / Dark current file applied GAINFILE= 'FLAT.fts' / Flat field file applied OBS-QUAL= 0. / Smaller is better; >40 no good HA-OFF = 0. / [arcsec] Hour Angle offset DEC-OFF = 0. / [arcsec] Declination offset COMMENT ISOON image coordinate type CTYPE1 = 'SOLAR E-W' / Image fast axis type CTYPE2 = 'SOLAR S-N' / Image slow axis type CRPIX1 = 1024. / [pix] Reference pixel location (1 based) CRPIX2 = 1024. / [pix] Reference pixel location (1 based) CRVAL1 = 28. / [pix] E-W offset from sun center CRVAL2 = -6. / [pix] S-N offset from sun center CDELT1 = 6. / [arcsec/pix] E-W CDELT2 = 30. / [arcsec/pix] S-N CROTA1 = 0. / [arcdeg] CROTA2 = 0. / [arcdeg] RADIUS = 900. / [pix] solar radius COMMENT ISOON limb fit results FIT-X0 = 1052. / [pix] raw image ellipse x-center FIT-Y0 = 1018. / [pix] raw image ellipse y-center FIT-MAJ = 0. / [pix] ellipse fit major (semi) axis FIT-MNR = 0. / [pix] ellipse fit minor (semi) axis FIT-ANG = 0. / [arcdeg] ellipse fit axis rotation COMMENT ISOON optical setup WAVELNTH= 6562.7 / [A] exact wavelength of obs (GONG) POLARIZR= 'out ' / Polarization optics out of light path OBJ-SCAL= 'full disk' / image scale SHUTTLE = 0. / [mm] position of field-lens shuttle APERTURE= '7cm ' / effective telescope aperture (GONG) FOCUS = 0. / [mm] position of Cooke shuttle COMMENT Ephemeris Parameters from GONG site ephemeris OBJECT = 'SUN ' / SUN HA-OBJ = 69.3686468966564 / [arcdeg] sun's local hour angle (+=West) DEC-OBJ = -11.5263925571708 / [arcdeg] sun's declination (+=North) AZ-OBJ = 0. / [arcdeg] sun's azimuth EL-OBJ = 10.0426409283299 / [arcdeg] sun's elevation ETA-OBJ = 34.3743508174439 / [arcdeg] sun's parallactic angle (+=North) SOLAR-P = -18.510411848116 / [arcdeg] solar P angle SOLAR-B0= -6.95884974725613 / [arcdeg] solar B0 angle SOLAR-L0= 301.881145554473 / [arcdeg] Carrington Longitude SOLAR-SR= 2281 / Synodic Rotation Number SOLAR-R = 970.940009206644 / [arcsec] solar semi-diameter COMMENT Observing site (GONG) TELESCOP= 'BB ' / Telescope ORIGIN = 'GONG ' / Tape writing institution SITE-LON= -116.921419993861 / [arcdeg] Site's longitude (+=East) SITE-LAT= 34.2603299816775 / [arcdeg] Site's latitude (+=North) CCD-ROT = 84.538117166949 / [arcdeg] CCD camera angle COMMENT ISOON image brightness calibration BC-METHD= 'radial ' / Calibration method BC-SETPT= 3200. / [a/d cts] ROI setpoint (GONG) BC-VALUE= 3203. / [a/d cts] central intensity (GONG) BC-SCALE= 0.999063378083047 / scale factor applied (GONG) BC-TILT1= 0. / plane tilt removed: BC-TILT2= 0. / plane = t[1] + t[2]*x + t[3]*y BC-TILT3= 0. / DISKPRO1= 0. / Disk Profile Coefs.: p[] DISKPRO2= 0. / phi = 1 - cosT*ln(1 + 1/cosT) DISKPRO3= 0. / profile = p[1] + p[2]*cosT + p[3]*phi COMMENT GONG parameters J2000 = 8814.527124826 / Julian 2000 date LST = 0.721138701 / Local apparent sidereal time (radians) ZENITH = 1.395519177 / Zenith distance (radians) RA = -0.489572585 / Right ascension (radians) DEC = -0.201173501 / Declination (radians) PA = -0.323203742 / Solar position angle (radians) HA = 1.210711286 / Hour angle (radians) BETA = 0.5999456 / Parallactic angle (radians) EROLL = 1.382823837 / Ephemeris roll angle (radians) EPITCH = -0.367634158 / Ephemeris pitch angle (radians) EROTATOR= 1.475479024 / Ephemeris rotator angle (radians) ROLL = 1.386548202 / Roll position (radians) PITCH = -0.367729286 / Pitch position (radians) ROTATOR = 1.475468488 / Rotator position (radians) OFFSET = 4.6 / Per site camera offset angle (degrees,+=CCW) SMEAR = 0.016 / Camera smear correction parameter CAMERA = 'DVC 4000M-CL' / Camera Model CAMERASN= 3344 / Camera serial number TIME-OBS= '00:39:**' / SHARPNSS= 0.00876695497599879 / Image sharpness quantifier (0=Worst,1=Best) SKYBRITE= 170 / Average of square regions in four corners ECLIPSE = 0 / Eclipse Flag (1=TRUE, 0=FALSE) TFACTOR = 575 / Centering alg limb threshold scale factor THRSHCLC= 324 / Calculated refraction corrected threshold LIMBPTCT= 2 / Number of centering algorithm limb points LIMBMEDN= 218 / Median brightness of limb threshold values HASERNUM= 'QPE101409DH' / H-Alpha filter Serial Number HAVERSN = 1.6 / H-Alpha filter Firmware Version HAERRCOD= 0 / H-Alpha filter Error Code (0=Good) HAONBAND= 1 / Filter On-Band status (0=Controlling,1=Setpt) HACNTRWL= 6562.7 / H-Alpha filter current Center Wavelength HAWNGSHF= -0.1 / H-Alpha filter Wavelength Shift setting HAHT1PWM= 22.58 / Filter Heater 1 Power Module setting (0-100%) HALMTPWM= 1023 / Filter Power Modules Limit setting (<=1023) HATEMP1 = 137.6 / Filter Heater 1 current Temperature (F) HAVOLTS = 11.33 / H-Alpha filter Current Voltage HAPOTPOS= 0 / Filter calibration Pot Postion (0=Normal) HATEMP2 = 156.64 / Filter Heater 2 current Temperature (F) HAHT2PWM= 58.65 / Filter Heater 2 Power Module setting (0-100%) HATURNON= 296 / H-Alpha filter Turn On count HA-AGE = 7447630 / H-Alpha filter power-on Age in minutes END