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Hi everybody,I have a problem using ccdproc: when trying to use it on a set of images I get the error message displayed in the subject of this thread. I get the error message independently from ccdproc parameters. Therefore, I think it must have to do with some image header problems.
I never encountered such problems when reducing images taken by another camera. Does anybody know what the problem might be?Best wishes,
MichaelSample header:
[code:1:2896c73e20]
dlr0017.fits[938,938][ushort]: bias
No bad pixels, min=25., max=11841.
Line storage mode, physdim [938,938], length of user area 7047 s.u.
Created Mon 01:05:46 14-Dec-2009, Last modified Thu 23:28:54 24-Dec-2009
Pixel file "dlr0017.fits" [ok]
EXTEND = F / File may contain extensions
BSCALE = 1.000000E0 / REAL = TAPE*BSCALE + BZERO
BZERO = 3.276800E4 /
ORIGIN = 'DSAZ ' / FITS file originator
DATE = '2009-12-14T00:05:46' / Date FITS file was generated
IRAF-TLM= '23:28:54 (24/12/2009)' / Time of last modification
COMMENT FITS (Flexible Image Transport System) format defined in Astronomy and
COMMENT Astrophysics Supplement Series v44/p363, v44/p371, v73/p359, v73/p365.
COMMENT Contact the NASA Science Office of Standards and Technology for the
COMMENT FITS Definition document #100 and other FITS information.
BLANK = 32768 / Value used for NULL pixels
DATAMAX = 11841. / Maximal pixel value
DATAMIN = 25. / Minimal pixel value
DATAMEAN= 86.1 / Mean pixel value
INSTRUME= 'NN ' / Instrument used
TELESCOP= 'CA350 ' / Telescope name
OBJECT = 'bias ' / Target description
OBSERVER= 'XXX' / Name of observer
FILENAME= 'dlr0017.fits' / Name of this File
EXPTIME = 0.00 / Total integration time (sec)
DARKTIME= 0.23 / Total elapsed time (sec)
RA = 67.416897 / 04:29:40.1 RA [deg]
DEC = 37.22194 / +37:13:19.0 DEC [deg]
HA = 0.000000 / 00:00:00.0 HA [deg]
AIRMASS = 1.00000 / airmass
LST = 19607.300000 / 05:26:47.3 sid. time [sec]
UTC = 345.929000 / 00:05:45.9 U.T. at start [sec]
UT_START= 345.929000 / 00:05:45.9 U.T. at start [sec]
UT_END = 390.829000 / 00:06:30.8 U.T. [sec]
CTYPE1 = 'PIXEL ' / Pixel coordinate system
CTYPE2 = 'PIXEL ' / Pixel coordinate system
CRVAL1 = 82.00000 / start point rel. to 1. phys. pixel in axis 1
CRVAL2 = 110.00000 / start point rel. to 1. phys. pixel in axis 2
CRPIX1 = 2.0 / increment of axis 1 in (pixels * binning-factor
CRPIX2 = 2.0 / increment of axis 2 in (pixels * binning-factor
CDELT1 = 2.0 / Binning factor along X
CDELT2 = 2.0 / Binning factor along Y
PC001001= 1.00000000 / Translation matrix element
PC001002= 0.00000000 / Translation matrix element
PC002001= 1.00000000 / Translation matrix element
PC002002= 0.00000000 / Translation matrix element
EQUINOX = 0.000000 / Equinox in years
RADECSYS= 'NN ' / FK5?
MJD-OBS = 55178.96484117 / modified jul. date
DATE-OBS= '2009-12-14T00:05:46' / file creation
OBSERVAT= 'DSAZ ' / observatory
IMAGETYP= 'ZERO ' / Type of observation
CAMID = 'CCD17 ' / Camera used
CCDNAME = 'SITe#2b_17' / Detector used
CCDPSIZ = 24.00 / Pixelsize in microns
CCDORI = 'XX ' / Orientation of CCD
CCDSPEED= 'normal ' / CCD readout speed
CCDBINX = 2 / Binning factor along X
CCDBINY = 2 / Binning factor along Y
CCDGAIN = 20.000 / total analog Gain
CCDSENS = 2.600 / Sensitivity at selected Gain (e-/DN)
CCDMEAN = 93.000 / Bias of CCD at selected Gain (DN)
CCDSAT = 150.000 / Saturation of CCD (e-)
CCDRON = 5.980 / Readout-nois of CCD at selected Gain (e-)
CCDTEMP = -119.0 / dewar temperature in deg. C
BIASSEC = '[0,54:0,991]' / overscan portion of frame
DATASEC = '[40,54:977,991]' / image portion of frame
CCDSEC = '[80,108:1954,1982]' / orientation to full frame [x1:y1,x2:y2]
ORIGSECX= 2048 / original size full frame nx
ORIGSECY= 2048 / original size full frame ny
CCDCONFN= 'SITe#2b_17_n.CCD' / Name of Configuration-File
CCDLOGFN= './data.1213243540109' / Name of Log-File
HIERARCH CAHA DET CCDS = 1 / # of CCDs in detector array
HIERARCH CAHA DET ID = 'CCD17' / Detector System ID
HIERARCH CAHA DET EXP TYPE = 'dark'/ Type of exposure
HIERARCH CAHA DET CCD1 NAME = 'SITe#2b_17'/ Detector CCD name
HIERARCH CAHA DET CCD1 ID = '5181ABR02-01'/ Detector CCD ID
HIERARCH CAHA DET CCD1 TEMP = -119.0 / dewar temperature in deg. C
HIERARCH CAHA DET CCD1 NX = 2048 / # of pixels along x
HIERARCH CAHA DET CCD1 NY = 2048 / # of pixels along y
HIERARCH CAHA DET CCD1 PSZX = 24.00 / Pixelsize in microns
HIERARCH CAHA DET CCD1 PSZY = 24.00 / Pixelsize in microns
HIERARCH CAHA DET CCD1 RON = 5.980 / Readout-nois of CCD at selected Gain (e-)
HIERARCH CAHA DET CCD1 CF = 2.600 / Sensitivity at selected Gain (e-/DN)
HIERARCH CAHA DET CCD1 GAIN = 20.000 / total analog Gain
HIERARCH CAHA DET CCD1 SATUR = 150.000 / Saturation of CCD (e-)
HIERARCH CAHA DET CCD1 MEAN = 93.000 / Bias of CCD at selected Gain (DN)
HIERARCH CAHA DET CCD1 READ SPEED = 'normal'/ CCD readout speed
HIERARCH CAHA DET CCD1 READ SHIFT = 0 / # of lines shifted between exp
HIERARCH CAHA DET CCD1 READ CLOCK = 'SITe#2b_17_n.CCD'/ Name of clock pattern fi
HIERARCH CAHA DET CCD1 OVSCX = 0 / overscan region in X
HIERARCH CAHA DET CCD1 DATAMIN = 25.0 / The lowest value (in DN) read out from t
HIERARCH CAHA DET CCD1 DATAMAX = 11841.0 / The highest value (in DN) read out fr
HIERARCH CAHA DET CCD1 DATAMEAN = 86.1 / The mean value read out from the detect
HIERARCH CAHA DET CCD1 WINDOWS = 1 / # of windows read out
HIERARCH CAHA DET CCD1 WIN1 STRX = 40 / Lower left pixel in X
HIERARCH CAHA DET CCD1 WIN1 STRY = 54 / Lower left pixel in Y
HIERARCH CAHA DET CCD1 WIN1 NX = 938 / # of pixels along X
HIERARCH CAHA DET CCD1 WIN1 NY = 938 / # of pixels along Y
HIERARCH CAHA DET CCD1 WIN1 BINX = 2 / Binning factor along X
HIERARCH CAHA DET CCD1 WIN1 BINY = 2 / Binning factor along Y
HIERARCH CAHA DET CCD1 OUTPUTS = 1 / # of outputs used on CCD1
HIERARCH CAHA DET DARKTIM = 0.234 / Dark current time
HIERARCH CAHA DET REQTIM = 0.000 / Requested exposure time
HIERARCH CAHA DET SHUT TYPE = 'NN'/ Type of shutter used
HIERARCH CAHA DET SHUT ID = 'NN'/ Shutter manufacturer, model serial number
HIERARCH CAHA DET SHUT TMOPEN = 0.000 / Time required to open shutter completely
HIERARCH CAHA DET SHUT TMCLOSE = 0.000 / Time required to close shutter complete
HIERARCH CAHA DET LOGFN = './data.1213243540109'/ Name of Log-File
POSTN-RA= 16180.06 / tel. position Right Ascension
POSTN-DE= 133998.99 / tel. position Declination
POSTN-HA= 0.00 / tel. position Hour Angle
UNI-TIME= 345.93 / Universal Time
SID-TIME= 19607.30 / Sidereal Time [sec]
JUL-DATE= 2455179.4648 / julian date
HIERARCH CAHA TEL GEOELEV = 2168 / elev. above sea
HIERARCH CAHA TEL GEOLAT = 37.2236 / geographic lat.
HIERARCH CAHA TEL GEOLON = -2.5463 / geographic long.
HIERARCH CAHA TEL DOME.AZ = 0.20 / dome azimut [degr]
HIERARCH CAHA TEL DOME.EL_LOW_E = 0.00 / dome door low lim.
HIERARCH CAHA TEL DOME EL_UPP_E = 0.00 / dome door upper lim.
HIERARCH CAHA TEL FOCU ID = 'CASS ' / ID of used focus
HIERARCH CAHA TEL MIRR S1 COLLAREA = 0.92 / eff. coll. area of S1 [m**2]
HIERARCH CAHA TEL FOCU F_RATIO = 8.00 / f-ratio
HIERARCH CAHA TEL FOCU LEN = 9.808 / focal length [m]
HIERARCH CAHA TEL FOCU SCALE = 0.0478 / focus scale mm/arcsec
HIERARCH CAHA TEL FOCU VALUE = 45.560 / focus rel. setting
HIERARCH CAHA TEL POS SET RA = 532350.000000 / 09:51:30.0 RA preset [sec]
HIERARCH CAHA TEL POS SET DEC = 56.050000 / +56:02:60.0 DEC preset [deg]
HIERARCH CAHA TEL POS SET EQUINOX = 2009.9 / eq preset
HIERARCH CAHA TEL POS AZ_START = 0.00 / telescope azimuth at start
HIERARCH CAHA TEL POS EL_START = 89.91 / telescope elevation at start
HIERARCH CAHA TEL POS HA_START = 0.000000 / 00:00:00.0 HA [deg]
HIERARCH CAHA GEN AMBI WIND SPEED = 6.6 / wind-speed[m/s]
HIERARCH CAHA GEN AMBI WIND DIR = 171 / wind dir[deg.]
HIERARCH CAHA GEN AMBI RHUM = 100 / relative humidity[%]
HIERARCH CAHA GEN AMBI PRES = 756.9 / air pressure
HIERARCH CAHA GEN AMBI TEMP = -1.4 / air-temperature[Celsius]
HIERARCH CAHA ADA POSANG = 0.00 / position angle of adapter
INSTRID = 'IA 1.23 ' / instrument ID
INSFLNUM= 1 / filterpos
INSFLNAM= 'Johnson R' / filtername
INSROTAT= 88888.0 / rotator angle
HIERARCH CAHA TEL POS AZ_END = 0.00 / telescope azimuth at end [deg]
HIERARCH CAHA TEL POS EL_END = 89.91 / telescope elevation at end [deg]
HIERARCH CAHA TEL POS HA_END = 0.000000 / 00:00:00.0 HA [deg] at end
[/code:1:2896c73e20]

The image sections specified by BIASSEC et al are given as "a,b:c,d" and not the expected "a:b,c:d" format, i.e. the comma and colon are switched. See e.g. the comment for the CCDSEC keyword.

Yes, that's it! Thank you very much, you saved my day!
Michael