Haus der Astronomie News Herschel-Concert-HDF Brümmer, Sigrid Sigrid Brümmer Secretary, HdA +49 6221 528-160 bruemmer@... info-hda@... H-509 Main areas of work The secretariat is the contact for all organisational matters at the Haus der Astronomie. Also general telephone inquiries should be addressed to the secretariat.