› Forums › Spectroscopy › Introduction to spectroscopy › Offset
22 January 2018 at 6:36 pm
#578990
David Swan
Spectator
Yes, I think Hugh ‘saves’ the Bahtinov mask diffraction pattern after achieving a sharp spectrum on an A type star, and then targets that pattern on the next target star. Sorry, because I am new to it I am not including the pertinent info! David