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

Observation Summary for Variable Star OJ 287

Total observations:13,421Minimum magnitude: 17.687Maximum magnitude: 11.500
First observation:JD 2445012.376000\11 Feb 1982 21:01:26.400000 UTLatest observation:JD 2460813.426400\17 May 2025 22:14:00.960000 UT
Observation MethodNumber of Observations
CCD11,377
Visual1,987
DSLR6
CMOS51

Summary by Year and Month

Summary by Observer