MARKARIAN 421

Observation Summary for MARKARIAN 421

Total observations:5,781Minimum magnitude: 14.900Maximum magnitude: 11.750
First observation:JD 2443172.740000\29 Jan 1977 05:45:36 UTLatest observation:JD 2458333.426000\2 Aug 2018 22:13:26 UT
Observation MethodNumber of Observations
CCD76
Photographic1
Visual5,704

Summary by Year and Month

Summary by Observer