Bad guiding

Home Forums Spectroscopy Blue-end disparity. Bad guiding

#578118
Andrew Smith
Participant

I would not assume it is bad guiding John. Bad guiding can be a benefit as the whole of the stars PSF gets sampled (more or less) while good guiding may just sample the brightest (often green) part of the spectrum as seen in the guide camera. The narrower the slit the more this becomes true!

Regards Andrew