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Observation Summary for Variable Star MARKARIAN 421

Total observations:6,772Minimum magnitude: 14.900Maximum magnitude: 8.400
First observation:JD 2443172.740000\29 Jan 1977 05:45:36.000000 UTLatest observation:JD 2460438.465300\7 May 2024 23:10:01.920000 UT
Observation MethodNumber of Observations
Visual6,624
CCD138
Photographic1
DSLR9

Summary by Year and Month

Summary by Observer