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Observation Summary for Variable Star MARKARIAN 509

Total observations:306Minimum magnitude: 14.800Maximum magnitude: 13.700
First observation:JD 2444815.478000\29 Jul 1981 23:28:19.200000 UTLatest observation:JD 2461295.414000\11 Sep 2026 21:56:09.600000 UT
Observation MethodNumber of Observations
Visual306

Summary by Year and Month

Summary by Observer