BAA Logo British Astronomical Association
Supporting amateur astronomers since 1890
BAAVSS Logo Home Login
Help

Observation Summary for Variable Star BI CYG

Total observations:4,507Minimum magnitude: 10.800Maximum magnitude: 8.300
First observation:JD 2441470.492300\1 Jun 1972 23:48:54.720000 UTLatest observation:JD 2461010.237000\30 Nov 2025 17:41:16.800000 UT
Observation MethodNumber of Observations
Visual4,478
Photographic27
CCD2

Summary by Year and Month

Summary by Observer