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Observation Summary for Variable Star OJ 287

Total observations:11,589Minimum magnitude: 17.214Maximum magnitude: 11.500
First observation:JD 2445012.376000\11 Feb 1982 21:01:26.400000 UTLatest observation:JD 2460634.004900\19 Nov 2024 12:07:03.360000 UT
Observation MethodNumber of Observations
CCD9,596
Visual1,959
DSLR6
CMOS28

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Summary by Year and Month

YearTotalJanFebMarAprMayJunJulAugSepOctNovDec
20246749213382817427005782460
20239791591919610187000512813082
20221,09117023615317711010006997357
202183787236200171602001834722
20201,73989126271594530100013889
20191,26414853899145119100067201
20184106410443855100004653
20172952613411120000086116
2016931149285219129880009172312
201519459101930000311134
2014467418710000216
2013724191217140000105
2012173741361630000025
2011108238914520000011
201066119161360000416
200917756527353030001911
200821711211511700016414055
20071,0551173501882009215002242839
2006411894157972080008856
2005666699500002821
200455111072100000132
2003981822251730000292
20027859123770000323
200168911112070000217
200084919231930000083
199974812221740000119
19984281171100000140
199760911191320000132
199628182700000055
19954611811200000275
199470713211510000247
1993422411810000187
199217015420000122
19896112200000000
19886120100000011
19871000000000001
19863001100000010
19853011100000000
19842000100000010
19821010000000000