SIMPLE = T / file does conform to FITS standard BITPIX = 16 / number of bits per data pixel NAXIS = 3 / number of data axes NAXIS1 = 1024 / length of data axis 1 NAXIS2 = 1024 / length of data axis 2 NAXIS3 = 70 / length of data axis 3 EXTEND = T / FITS dataset may contain extensions COMMENT FITS (Flexible Image Transport System) format is defined in 'Astronomy COMMENT and Astrophysics', volume 376, page 359; bibcode: 2001A&A...376..359H CTYPE1 = 'E-W ARCS' CTYPE2 = 'N-S ARCS' CRVAL1 = -12 CRVAL2 = 750 CRPIX1 = 512 CRPIX2 = 512 CDELT1 = 0.068359375 / image scale arcsec/pixel CDELT2 = 0.068359375 / image scale arcsec/pixel XCEN = 0. YCEN = 0. ORIGIN = 'BBSO ' / Big Bear Solar Observatory INSTRUME= 'PCO.2000' TELESCOP= 'NST ' / NST Nasmyth bench TARGET = ' ' IMAGETYP= 'image ' EXPOSURE= 30. / Exposure time, milliseconds ROI_X0 = 0 / Zero based index ROI_Y0 = 0 / Zero based index ROI_X1 = 1023 / Zero based index ROI_Y1 = 1023 / Zero based index SOLAR_P = 180 SOLAR_P0= 19.6546080218969 / Solar P angle, degrees CCDTEMP = -24.5 / CCD temperature, C WAVELNTH= 0.01 / Ha displacement, A DATE = '2009-11-20T18:57:53' / image acquisition date and time UT DATE-OBS= '2009-11-20' / UTC YYYY-MM-DD TIME-OBS= '18:57:53' / UTC HH:MM:SS TSTART = '18:57:53.1' / first image time TEND = '18:57:57.2' / last image time OBSERVER= 'rjf ' FRAMESEL= 100 COMMENT change to the central part of filament END