Fix the shift of slits in multi-map observations
Some observations with multiple-maps are shifted during the course of the observation. The current fits header or preview maps (the HPLT/HPLN co-ordinate labeling) does not deal with this yet.
Some observations with multiple-maps are shifted during the course of the observation. The current fits header or preview maps (the HPLT/HPLN co-ordinate labeling) does not deal with this yet.