Celestial hemisphere:  Northern  ·  Constellation: Triangulum (Tri)  ·  Contains:  HD9483  ·  IC 131  ·  IC 132  ·  IC 133  ·  IC 135  ·  IC 136  ·  IC 137  ·  IC 142  ·  IC 143  ·  M 33  ·  NGC 588  ·  NGC 592  ·  NGC 595  ·  NGC 598  ·  NGC 604  ·  Triangulum Galaxy  ·  Triangulum Pinwheel
Triangulum Galaxy (M33), Lalanke Karunaratne
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Triangulum Galaxy (M33)

Triangulum Galaxy (M33), Lalanke Karunaratne
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Triangulum Galaxy (M33)

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Description

The Triangulum Galaxy is a spiral 2.73 million light years from Earth in the constellation Triangulum. 
It is half the size of milky way.

The Triangulum Galaxy was probably discovered (as a nebular) by the Italian astronomer Giovanni Hodierna before 1654.
The galaxy was independently discovered by Charles Messier on the night of August 25–26, 1764. 

L 180*445 gain 0
R 180*285 gain 0
G 180*170 gain 0
B 180*290 gain 0
Ha 300*40 gain 100

Captured on my backyard Hawthorne Southern California bortal sky 9.

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Triangulum Galaxy (M33), Lalanke Karunaratne