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Observation Summary for X Per

X Per: X-ray Binary Star
Total Number of Spectra:117
First Spectrum:JD 2458383.501500\22 Sep 2018 00:02:09.600000 UT
Latest Spectrum:JD 2460693.745243\18 Jan 2025 05:53:08.995200 UT

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Summary by Year and Month

YearTotalJanFebMarAprMayJunJulAugSepOctNovDec
20251100000000000
20241010000000000
20231000100000000
20224120000000001
20219140100001110
202026945100003013
201934695000013532
20184100000000522131