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Observation Summary for Variable Star BI CYG

Total observations:4,502Minimum magnitude: 10.800Maximum magnitude: 8.300
First observation:JD 2441470.492300\1 Jun 1972 23:48:54.720000 UTLatest observation:JD 2460946.306000\27 Sep 2025 19:20:38.400000 UT
Observation MethodNumber of Observations
Visual4,473
Photographic27
CCD2

Summary by Year and Month

Summary by Observer