--- header unit 0: primary ---
SIMPLE = T
BITPIX = 16 / 8 unsigned int, 16 & 32 int, -32 & -64 real
NAXIS = 2 / number of axes
NAXIS1 = 1536 / fastest changing axis
NAXIS2 = 1536 / next to fastest changing axis
BSCALE = 1.0000000000000000 / physical = BZERO + BSCALE*array_value
BZERO = 32768.000000000000 / physical = BZERO + BSCALE*array_value
DATE-OBS = '2017-06-09T02:48:06' / [ISO 8601] UTC date/time of exposure start
EXPTIME = 6.00000000000E+001 / [sec] Duration of exposure
EXPOSURE = 6.00000000000E+001 / [sec] Duration of exposure
SET-TEMP = -35.000000000000000 / CCD temperature setpoint in C
CCD-TEMP = -35.003232000000004 / CCD temperature at start of exposure in C
XPIXSZ = 18.000000000000000 / Pixel Width in microns (after binning)
YPIXSZ = 18.000000000000000 / Pixel Height in microns (after binning)
XBINNING = 2 / Binning level along the X-axis
YBINNING = 2 / Binning level along the Y-axis
XORGSUBF = 256 / Subframe X position in binned pixels
YORGSUBF = 256 / Subframe Y position in binned pixels
READOUTM = 'Monochrome' / Readout mode of image
FILTER = 'LUM' / Filter name
IMAGETYP = 'Light Frame' / Type of image
FOCALLEN = 3962.0000000000000 / Focal length of telescope in mm
APTDIA = 610.00000000000000 / Aperture diameter of telescope in mm
APTAREA = 227689.37649324239 / Aperture area of telescope in mm^2
SBSTDVER = 'SBFITSEXT Version 1.0' / Version of SBFITSEXT standard in effect
SWCREATE = 'MaxIm DL Version 6.13 180309 05MQ5' / Name of software
SWSERIAL = '05MQ5-Y575F-9CX35-W3TFY-P498K-58' / Software serial number
SITELAT = '+44 37 50'
SITELONG = '+63 34 49' / Longitude of the imaging location
JD = 2457913.6167361112 / Julian Date at start of exposure
OBJECT = 'NGC6946-ID03856-OC111462-GR5553-LUM' / Target object name
TELESCOP = 'Planewave CDK24' / Telescope name
INSTRUME = 'Apogee USB/Net' / Detector instrument name
OBSERVER = 'BGO Observer' / Observer name
NOTES = ''
FLIPSTAT = 'Flip/Rotate 90 CCW'
FLIPX = 'NO'
FLIPY = 'NO'
OBJCTRA = '20 35 00.30' / [hms J2000] Target right ascension
OBJCTDEC = '+60 08 33.0' / [dms +N J2000] Target declination
AIRMASS = 1.39720604020E+000 / Airmass (multiple of zenithal airmass)
CENTALT = '+45 38 04' / Nominal Altitude of center of image in deg
CENTAZ = '042 43 02' / Nominal Azimuth of center of image in deg
JD-MID = 2457913.6186033948
DATE-MID = '2017-06-09T02:50:47'
HJD-MID = 2457913.6183005236
SWOWNER = 'David Lane' / Licensed owner of software
INPUTFMT = 'FITS' / Format of file from which image was read
SWMODIFY = 'MaxIm DL Version 6.13 180309 05MQ5' / Name of software
HISTORY Bias Subtraction (2048 x 2048, Bin2 x 2, Temp -35C, Exp Time 0ms)
CALSTAT = 'BDF'
HISTORY Dark Subtraction (2048 x 2048, Bin2 x 2, Temp -35C, Exp Time 300s)
HISTORY Dark-Bias(2048 x 2048,Bin2 x 2,Temp -35C,Exp Time 0ms)
HISTORY Flat Field (2048 x 2048, Bin2 x 2, Temp -35C, Exp Time 15s)
HISTORY Flat-Bias(2048 x 2048,Bin2 x 2,Temp -35C,Exp Time 0ms)
HISTORY Flat-Dark (2048 x 2048,Bin2 x 2,Temp -35C,Exp Time 300s)
PEDESTAL = -100 / Correction to add for zero-based ADU
BAYERPAT = 'INVALID' / Indicates validity of image's Bayer pattern.
SNAPSHOT = 4 / Number of images combined
MIDPOINT = '2017-06-09T02:50:33' / UT of midpoint of exposure
HISTORY Combine Images
DATE-END = '2017-06-09T02:53:29'
TOTALEXP = 180.00000000000000
CBLACK = 0 / Initial display black level in ADUs
CWHITE = 65535 / Initial display white level in ADUs
HISTORY File was processed by PinPoint 6.1.1 at 2017-06-09T04:28:43
DATE = '09/06/17' / [old format] UTC date of exposure start
TIME-OBS = '02:48:06' / [old format] UTC time of exposure start
UT = '02:48:06' / [old format] UTC time of exposure start
TIMESYS = 'UTC' / Default time system
RADECSYS = 'FK5' / Equatorial coordinate system
RA = '20 35 00.30' / [hms J2000] Target right ascension
DEC = '+60 08 33.0' / [dms +N J2000] Target declination
FWHM = 4.12702533007E+000 / [pixels] Mean Full-Width-Half-Max of image star
ZMAG = 2.16870722652E+001 / Mag zero point for 1 sec exposure
EQUINOX = 2000.0 / Equatorial coordinates are J2000
EPOCH = 2000.0 / (incorrect but needed by old programs)
PA = 1.82761642895E+002 / [deg, 0-360 CCW] Position angle of plate
CTYPE1 = 'RA---TAN' / X-axis coordinate type
CRVAL1 = 3.08733038318E+002 / X-axis coordinate value
CRPIX1 = 7.68000000000E+002 / X-axis reference pixel
CDELT1 = 2.59730247834E-004 / [deg/pixel] X-axis plate scale
CROTA1 = -2.76164289505E+000 / [deg] Roll angle wrt X-axis
CTYPE2 = 'DEC--TAN' / Y-axis coordinate type
CRVAL2 = 6.01455254689E+001 / Y-axis coordinate value
CRPIX2 = 7.68000000000E+002 / Y-axis reference pixel
CDELT2 = 2.59559520263E-004 / [deg/pixel] Y-Axis Plate scale
CROTA2 = -2.76164289505E+000 / [deg] Roll angle wrt Y-axis
CD1_1 = 2.59428601378E-004 / Change in RA---TAN along X-Axis
CD1_2 = 1.25058632969E-005 / Change in RA---TAN along Y-Axis
CD2_1 = -1.25140891392E-005 / Change in DEC--TAN along X-Axis
CD2_2 = 2.59258072087E-004 / Change in DEC--TAN along Y-Axis
TR1_0 = 7.68000036902E+002 / [private] X-axis distortion coefficients
TR1_1 = 1.53599999918E+003
TR1_2 = 5.78412880993E-002
TR1_3 = 2.37822878028E+000
TR1_4 = 4.28188494542E-001
TR1_5 = -1.02682654880E+000
TR1_6 = -2.64129971595E+000
TR1_7 = 1.94387042913E+000
TR1_8 = 1.01256674990E+000
TR1_9 = -1.11167837439E+000
TR1_10 = -1.26255695001E+001
TR1_11 = -4.58295098951E+000
TR1_12 = 8.64381212325E+000
TR1_13 = 6.77310253573E-001
TR1_14 = 1.65497522350E+000
TR2_0 = 7.68000000072E+002 / [private] Y-axis distortion coefficients
TR2_1 = -4.72269728086E-006
TR2_2 = 1.53599999973E+003
TR2_3 = 1.50053566836E+000
TR2_4 = 3.36591131214E-002
TR2_5 = -1.70940230549E+000
TR2_6 = 1.05062030510E+000
TR2_7 = 7.67923677202E-001
TR2_8 = 1.72392809121E+000
TR2_9 = 1.94812317086E+000
TR2_10 = -3.39063786304E+000
TR2_11 = -1.42225370962E+000
TR2_12 = 3.13530636866E+000
TR2_13 = 1.59758762285E+000
TR2_14 = 9.76606949534E+000
HISTORY WCS added by PinPoint 6.1.1 at 2017-06-09T04:28:48
HISTORY Matched 118 stars from the USNO-A2.0 Catalog
HISTORY Average residual was 0.39 arc-seconds
PLTSOLVD = T / Plate has been solved by PinPoint
HISTORY Filter Remove Gradient
HISTORY Process Stretch
STRETCH = 'YES'