› Forums › Spectroscopy › TWIN BOOK ASTRONOMICAL SPECTROSCOPY › Well done, good work and
26 July 2017 at 4:56 pm
#578379
Mr 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