Observation Summary for MARKARIAN 509

Total observations:237Minimum magnitude: 14.800Maximum magnitude: 13.700
First observation:JD 2448823.552000\20 Jul 1992 01:14:53 UTLatest observation:JD 2458374.346000\12 Sep 2018 20:18:14 UT
Observation MethodNumber of Observations
Visual237

Summary by Year and Month

Summary by Observer