Thank you very much fmw42 and magic for your helpful replies
As it happens -auto-level was just what I was after (I do not want to lose any information when I do post-processing on the image sequence) - it seems to work a charm!
Sorry for the late info... Here is the header to original.FIT: SIMPLE T / BITPIX 16 / NAXIS 2 / NAXIS1 660 / NAXIS2 500 / OBJECT '0eV' TELESCOP '' INSTRUME 'Starlight Xpress CCD' OBSERVER '' ORIGIN '' DATE-OBS '2012-03-04' TIME-OBS '10:54:14' HISTORY '' HISTORY '' HISTORY '' HISTORY '' HISTORY ...
Thank you very much for all your help magick - it has been invaluable!
As it turns out I recompiled on my openSUSE box with "./configure --enable-hdri=yes --with-modules=yes --enable-delegate-build=yes" and I can now use the convert command again :)
I tried typing in 'identify -list format|grep "FIT"'. It gives: "FITS* FITS rw- Flexible Image Transport System" as expected. So it would appear that I can read/write FITS files... As an added precaution I looked at the permissions of the IM files in /usr/local/bin and /lib and all ...
I have attempted upgrading to the latest release, but since upgrading convert is throwing up the following error when I attempt to use the command in my previous post:
convert: no decode delegate for this image format `original.FIT' @ error/constitute.c ...
I am having an issue converting grayscale 16-bit FITS images to the TIFF format using ImageMagick's (v. 6.6.0-4) convert command (under either Ubuntu 11.04 or OpenSUSE 11.3). I am using the following command: