The Constellation Directory

Triangulum

"The Triangle"

Triangulum

By IAU and Sky & Telescope magazine (Roger Sinnott & Rick Fienberg) [CC-BY-3.0], via Wikimedia Commons

Abbreviation: Tri
Genitive: Trianguli
Constellation family: Perseus
Nearest constellations: Andromeda, Aries, Perseus, and Pisces
Right ascension: 2.11h
Declination: 32.03°
Visible between latitudes: +90° and -60°
Square degrees: 132
Luminary: Beta Trianguli
Named stars: Mothallah
Notable deep sky objects: M33, NGC 925 (Triangulum Galaxy)

About

Triangulum is a small constellation in the Northern Hemisphere. It is best seen in December.

Mythology

There is no mythology associated with this constellation.

Gallery of objects in Triangulum

NGC 634 (spiral galaxy):

NGC 634 (spiral galaxy)

By ESA/Hubble & NASA [CC-BY-3.0], via Wikimedia Commons

NGC 925 (spiral galaxy):

NGC 925 (spiral galaxy)

By Jschulman555 [CC-BY-3.0], via Wikimedia Commons

M33 (the Triangulum Galaxy):

VST snaps a very detailed view of M33 (the Triangulum Galaxy)

By ESO [CC-BY-4.0], via Wikimedia Commons

Section of M33:

The Hydrogen Clouds of M33 (the Triangulum Galaxy)

By Adam Block, Mt. Lemmon SkyCenter, U. Arizona [Public domain], via Wikimedia Commons