Well done, good work and

Home Forums Spectroscopy TWIN BOOK ASTRONOMICAL SPECTROSCOPY Well done, good work and

#578379
Jack Martin
Participant

Well done, good work and congratulations to Marc and Richard.

I know just how much time and effort goes into a book or two.

I will be ordering copies in due course.

Regards,

Jack

Essex UK

Author A Spectroscopic Atlas of Bright Stars

Co-author Practical Amateur Spectroscopy