Flats for spectroscop

[p1taylor]

Hi All, I have a DIY SPECTROSCOP, I assume you do DARKS and BIAS are don as I do for DSY but how do I do FLATS.

peter

[Merlin66 (Ken)]

Peter,
Flats (Which may not be necessary) can be done with a halogen lamp at the entrance with the grating set to the target wavelength.
I think you have much more to do before considering flats.

[p1taylor]

Thanks very much Ken, I am certainly have a loot to do hope it comes clear has ben cloudy or fogy for ages.

peter