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

Observation Summary for Variable Star BL LAC

Total observations:4,772Minimum magnitude: 15.900Maximum magnitude: 11.844
First observation:JD 2445938.492000\25 Aug 1984 23:48:28.800000 UTLatest observation:JD 2461038.290440\28 Dec 2025 18:58:14.016000 UT
Observation MethodNumber of Observations
Visual2,722
CCD1,970
DSLR12
CMOS68

Summary by Year and Month

Summary by Observer