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naco_img_lampflat - Flat recipe using a lamp


esorex naco_img_lampflat [OPTIONS] FILE.sof


naco_img_lampflat -- NACO imaging flat-field creation from lamp images.

The files listed in the Set Of Frames (sof-file) must be tagged: NACO-raw-file.fits CAL_FLAT_LAMP

Furthermore, the input set of frames must have values of the FITS key ESO INS LAMP2 SET that alternate between zero and non-zero (with non-zero for the first frame).

It is further required that the light from the lamp is in a range without a significant thermal background.


Rejected left right bottom and top border [pixel] (str; default: ´200 200 200 200´). The full name of this option for the EsoRex configuration file is naco.naco_img_lampflat.rej_bord [default = 200 200 200 200].

Note that it is possible to create a configuration file containing these options, along with suitable default values. Please refer to the details provided by the 'esorex --help' command.


The full documentation for the naco pipeline can be downloaded as a PDF file using the following URL:

An overview over the existing ESO pipelines can be found on the web page

Basic documentation about the EsoRex program can be found at the esorex (1) man page.

It is possible to call the pipelines from python using the python-cpl package. See for further information.

The other recipes of the naco pipeline are naco_img_checkfocus(7), naco_img_dark(7), naco_img_detlin(7), naco_img_jitter(7), naco_img_slitpos(7), naco_img_strehl(7), naco_img_twflat(7), naco_img_zpoint(7), naco_spc_combine(7), naco_spc_lampflat(7), naco_spc_wavecal(7), naco_util_img_std_cat(7), naco_util_spc_argon(7), naco_util_spc_model(7)


naco_img_lampflat 4.4.11


Lars Lundin <>


Please report any problems to Alternatively, you may send a report to the ESO User Support Department <>.


This file is part of the NACO Instrument Pipeline Copyright (C) 2002, 2003, 2005, 2008 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 02111-1307 USA

4.4.11 naco_img_lampflat