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Observation Summary for Variable Star BI CYG

Total observations:4,509Minimum magnitude: 10.800Maximum magnitude: 8.300
First observation:JD 2441470.492300\1 Jun 1972 23:48:54.720000 UTLatest observation:JD 2461051.228000\10 Jan 2026 17:28:19.200000 UT
Observation MethodNumber of Observations
Visual4,480
Photographic27
CCD2

Summary by Year and Month

Summary by Observer