On 18 June 2012 04:21, Eduardo Unda-Sanzana <[log in to unmask]> wrote:
> On 17 June 2012 23:11, Tim Jenness <[log in to unmask]> wrote:
>> If you converted from FITS then the epoch header should have been
>> filled in from the DATE-OBS header originally. The DATE-OBS in the
>> FITS header is just a memory of the original FITS header rather than
>> an expression of the WCS. I assume the header in this case did not
>> come from a FITS file.
>
> Yes it did. The NDF produced from the original FITS file has the right
> DATE-OBS but the EPOCH is missing (I think it was absent from the FITS
> headers). However, when I convert back to FITS this strange DATE-OBS
> is added. I'll try to get one of the original FITS files in case this
> is useful.
Hi Eduardo
Yes - I'll need an example FITS file to work
out what is going wrong here.
David
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