Home News and Announcements Seminars Sun Climate Seminar Speaker: Theodosios Chatzistergos Host: Natalie Krivova Sun Climate Seminar: Exploiting historical Ca II K spectroheliogramarchives: Preliminary results from four archives (T. Chatzistergos) Date: Oct 1, 2015 Time: 02:00 PM - 03:00 PM (Local Time Germany) Speaker: Theodosios Chatzistergos IMPRS Location: MPS Host: Natalie Krivova [more]