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The 80th birthday star

Alioth

in Ursa Major · about 81 light-years · HIP 62956

Someone turning 80 in 2026 was born in 1946. The light arriving tonight from Alioth left the star around 1945, one year before they were born. Look up on their 80th birthday and the light in their eyes is about as old as they are.

Find their exact star (free)Design a 80th birthday print

Hipparcos distances · by Mayukh Bagchi, founder & phd candidate in astronomy

The star

Alioth at a glance

Distance
81 ly
Light left
around 1945
Constellation
Ursa Major
Brightness
mag 1.8
Highest at midnight
April
Catalogue
HIP 62956

How to find it

Alioth is bright enough to see from most towns. It sits in Ursa Major and stands highest at midnight in April; a month or two either side it is up in the evening or before dawn. Northern hemisphere skies only.

  • · From New York: climbs to about 75° above the northern horizon
  • · From London: climbs to about 86° above the northern horizon
  • · From Sydney: never rises

Why this star, for 80

Light crosses one light-year in one year, so a star 81 light-years away shows you light that left it 81 years ago. Match that to an age and you have a birthday star. Alioth is the brightest named star within a year and a half of 80 light-years.

It stays their birthday star while they are between 79.4 and 82.4 years old. Every birthday adds a light-year, so next year's star may be a different one: the free finder uses the exact birth date.

Other named stars near 80 light-years

StarDistanceLight left
MerakUrsa Major79 ly1947
AlcorUrsa Major81 ly1945
MegrezUrsa Major81 ly1945
MizarUrsa Major78 ly1948
CebalraiOphiuchus82 ly1944
MenkalinanAuriga82 ly1944
A framed star map with the birthday star ringed, lifted out of a gift box for a 80th birthday

A 80th birthday gift

Their star, ringed on the sky they were born under

Enter their birth date, time and birthplace in the designer and we draw that night's sky from the Hipparcos catalogue, then ring their birthday star in gold and name it under the date. Add a line of your own. It works for a 80th because the star is not a story: it is a distance and a date they can check.

  • · Framed from $79.99, ready to hang · prints from $39.99
  • · Digital $19.99: we can email it to them on their birthday with your note
  • · Or the Birthday Star Certificate, one printable page, $7.99
  • · Free Shipping on every print
Design it · framed from $79.99or send the digital file, $19.99or find their exact star first

Birthday stars for other milestones

Or start from the birthday star finder, the birthday star map page or all star map gifts.

Questions

80th birthday star questions

What is the 80th birthday star?
Alioth, in Ursa Major. It is about 81 light-years away, so the light reaching Earth from it now left the star around 1945. For someone turning 80 in 2026, born in 1946, that is one year before they were born.
Is it the same star for everyone turning 80?
Close to it. The match uses age to the day, and Alioth is the birthday star for anyone between 79.4 and 82.4 years old. Someone a few months either side of their birthday may land on a neighbouring star. For an exact answer, enter their birth date in the free finder on the birthday star page.
Can you see Alioth with the naked eye?
Alioth shines at magnitude 1.8: bright enough to see from most towns. It stands highest at midnight in April. Northern hemisphere skies only. From New York it climbs to about 75° above the horizon; from Sydney, it never rises.
How accurate is 81 light-years?
The distance comes from the Hipparcos parallax catalogue, the same data the star charts on this site are drawn from. Parallax is very precise for the nearest stars and less so past about 100 light-years, which is why we round and say "about".
What is a good 80th birthday gift with their star?
Their birth-night sky with Alioth (or their exact birthday star) ringed and named under the date: a framed print from $79.99 with free shipping, a digital file ($19.99) we can email to them on the day, or the printable Birthday Star Certificate ($7.99).

Exact to the day

Find their birthday star, then give the night

Free finder. Digital from $19.99, prints from $39.99. Free Shipping on every print.

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