By Dominic Ford
The constellation Triangulum. Roll mouse over to see labels.
Source: Stellarium.

This picture was selected from internet by mojarradi.com

Triangulum is a small yet ancient northern constellation, nestling between Andromeda and Aries. It appears highest in the evening sky in the months around October. Comprising simply of a triangle of two third magnitude stars and one fourth magnitude star, it is far from conspicuous. In ancient Greece it was known as ‘Deltoton’ because it resembled a capital delta (Δ).

Although it is home to only one bright deep sky object, it is a significant one. The Triangulum Galaxy (M33) is a member of the Local Group of galaxies, and the second-closest galaxy of comparable size to our own.M33 is a spiral galaxy like our own, and orientated in an almost face-on orientation so that its spiral structure is finely displayed. However, this also means its light is spread over a large sky area, comparable in size to the full moon. The slightest light pollution makes it quite impossible to make out its diffuse light.

Source:https://in-the-sky.org

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