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Your Birthday Star:
Your birthday star is in the constellation Eridanus. It has the name τ01 (Tau01) Eridani in Johann Bayer's Uranometria star catalog. It is also called 1 Eridani in the Historia Cœlestis Britannica of John Flamsteed and Edmund Halley. It is called NS 0245-1834 in the NStars database.
It has visual magnitude 4.46 meaning that you could see this star with the naked eye in good viewing conditions. It is marked in the center of this star chart, at celestial coordinates (J2000 equinox):
Right ascension 2:45:6.2
Declination -18:34:21.2
This star is 45.6 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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