Triangulum, resembles the shape of a Triangle, when stars in this constellation are imaginarily connected!
Where should I see…
Pisces, is the constellation which is towards west of Triangulum constellation. If you move your eyes
towards east, you will see another constellation named Perseus. In the North and South of Triangulum, you will find Andromeda and Aries constellations respectively. Triangulum is between celestial equator and North Pole, and so is fully part of Northern Hemisphere.
It covers up 132 square degree area of the sky. Area wise it is 78th largest constellation in the sky.
When and What can I see…
We can gaze at this shape of Triangulum constellation from July to March, as seen from India.
All you need is your naked eyes other than clear skies to see 26 stars of this constellations, as they are the one which are brighter than the lower limit of our naked eyes (i.e. 6.5 apparent magnitude) to see faintest stars. The brightest star of this constellation is beta Trianguli.
Constellations are made up of single, binary (apparent and absolute), multiple and variable stars. Out of total 26 stars of different types, here is the list of 20 brightest stars as per their nature:
| Binary / Multiple Star system |
Variable Stars |
Binary/multiple and Variable Stars |
Single stars |
| Mothallah |
1 |
3 |
13 |
| 2 |
– |
– |
– |
| 3 |
1 |
3 |
13 |
Mythology stories…
As per Hindu mythology, there are no such known stories for this constellation.
Deep Sky Objects…
M33-X-7 || Black Hole with a companion star
NGC 595 || Diffuse Nebula
Amatha Galaxy or NGC 925 || Spiral Galaxy
All the stars that we see naked eyes, all belong to our own, Milky way galaxy (Akash Ganga Tara Vishv). Bright stars can be seen naked eye and faint one through telescope. But the curtain of sky that we see in 2D is actually a huge universe we are talking about, with 3 dimension. There are many nebulous objects visible in every constellations. They differ widely by distances and nature. Like Emission Nebula, Reflecting Nebula, Absorption Nebula, Star Birth Nebula, Supernova Remnants (SNR) and Open Starscluster which are within the disk of our own Milky Way galaxy. Globular cluster are also found, which are in the halo of our galaxy and some most distant objects like galaxies are also visible through telescope. Such objects are defined as “Deep Sky Objects”.
In this constellation there are 113 such different types of Deep Sky Objects observed. Below is the list of 20 brightest Deep Sky Objects:
NGC 953 || Elliptical Galaxy
Triangulum Galaxy or NGC 604 || diffuse Nebula
NGC 634 || Spiral Galaxy
| |
Galaxy |
Open Cluster |
Globular Cluster |
Nebula |
Supernova Remnant |
|
| Naked eye visibility |
M33(Triangulum galaxy) |
– |
– |
– |
– |
|
|
| Visible through Telescope |
16 |
1 |
– |
2 |
– |
|
|
|
| |
17 |
1 |
– |
2 |
– |
|
NGC 672 & IC 1727 || Interacing Galaxies
NGC 784 || Spiral Galaxy
Triangulum Galaxy or M33 || Spiral Galaxy
