Flat field correction of input frame
This recipe is used to divide the input frame by the normalised flat field frame produced by recipe fors_normalise_flat. The input frame must be already bias subtracted (e.g., by recipe fors_remove_bias).
In the table below the MXU acronym can be alternatively read as MOS and LSS.
DO category: Type: Explanation: Required:
SCIENCE_UNBIAS_MXU
or STANDARD_UNBIAS_MXU Raw Bias subtracted frame Y
MASTER_NORM_FLAT_MXU Calib Normalised flat frame Y
DO category: Data type: Explanation:
SCIENCE_UNFLAT_MXU
or STANDARD_UNFLAT_MXU FITS image Flat field corrected frame
Create an object for the recipe fors_flatfield.
import cpl
fors_flatfield = cpl.Recipe("fors_flatfield")
See also
cpl.Recipe for more information about the recipe object.
Please report any problems to Carlo Izzo. Alternatively, you may send a report to the ESO User Support Department.
This file is currently part of the FORS Instrument Pipeline Copyright (C) 2002-2010 European Southern Observatory
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
Code author: Carlo Izzo <usd-help@eso.org>