← Another date

Birthday · January 23, 2017

Winter Hexagon over Manla Reservoir

January 23, 2017

The universe is under no obligation to make sense to us, and yet here you are — a collection of atoms that somehow learned to think, to...

Winter Hexagon over Manla Reservoir

A little universe, just for you

Your date.
Ready to give.

Free PNG · 1080 × 1350 · No account needed

Image rights and credit requirements apply when sharing or reusing imagery.

Change the year

APOD published January 23, 2017. Credit: Jeff Dai (TWAN). A publication-date match, not a photo taken on your date. Independent of NASA.

Behind the image

Winter Hexagon over Manla Reservoir

Original APOD · January 23, 2017

If you can find Orion, you might be able to find the Winter Hexagon. The Winter Hexagon involves some of the brightest stars visible, together forming a large and easily found pattern in the winter sky of Earth's northern hemisphere. The stars involved can usually be identified even in the bright night skies of a big city, although here they appeared recently in dark skies above the Manla Reservoir in Tibet, China. The six stars that compose the Winter Hexagon are Aldebaran, Capella, Castor (and Pollux), Procyon, Rigel, and Sirius. Here, the band of our Milky Way Galaxy runs through the center of the Winter Hexagon, while the Pleiades open star cluster is visible just above. The Winter Hexagon asterism engulfs several constellations including much of the iconic steppingstone Orion. Follow APOD on: Facebook, Google Plus, or Twitter

Image credit: Jeff Dai (TWAN)

Explore January 23 in other years