Your birthday star has the common name van Maanen's Star. It is called NS 0049+0523 in the NStars database.
It has visual magnitude 12.4 meaning that you would need a telescope to see this star. It is marked in the center of this star chart, at celestial coordinates (J2000 equinox):
Right ascension0:49:9.9
Declination5:23:19
This star is 14.1 light years away, which means that the light we see from it today set off on its journey at about the same time that you were born. Come back in a month or two and your birthday star may change, as the light from more distant stars reaches Earth.
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-- 你只看见我的成绩,没看见我的努力。你只看见我玩手机,却没看到玩命学习。你只看见我刷贴吧,没看见我刷作业。我是初三党,我为自己代言。