Loesung Dr. Lothar Schanne April 25, 2020 Published by Dr. Lothar Schanne My website deals with practical topics of optical astronomical spectroscopy. Meine Webseite behandelt Praxis-Themen aus der optischen astronomischen Spektroskopie. View all posts by Dr. Lothar Schanne Published April 25, 2020
Astrospectroscopy 