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Meet the galaxy M33, also known as the Triangulum galaxy. I acquired this data over a few nights in January 2019. Total of 8.5 hours, HaLRGB.
M33 is in the constellation Triangulum around 2.5 million light years distant and has a diameter of around 60,000 light years. Its relative closeness to us has it display a wealth of detail in images. Numerous red emission nebula can be seen scattered throughout it.
The LRGB data was captured during mostly moonless nights. The Ha data was taken when the moon was only a day past full. Overall I’m quite pleased with this image.
M33 is located in the constellation of Triangulum which is a small acute triangle like shape below the constellation of Andromeda. “The Triangulum Galaxy is a spiral galaxy approximately. It is catalogued as Messier 33 or NGC 598, and is sometimes informally referred to as the Pinwheel Galaxy, a nickname it shares with Messier 101. The Triangulum Galaxy is the third-largest member of the Local Group of galaxies, which includes the Milky Way, the Andromeda Galaxy and about 30 other smaller galaxies. It is one of the most distant permanent objects that can be viewed with the naked eye.”
Technical:
- Skywatcher Esprit 100mm APO refractor, F5.5
- Moravian G3 16200 CCD @ -25deg
- Optolong filters LRGB and Ha
- Skywatcher EQ6 mount / Skyshed Pier
- 520min / 10min subs
- SGP, PHD, EQmod softwares for acquisition
- Pixinsight 1.8 calibration, processing
- Seeing and transparency average
- Location: Kitchener, Ontario
My story began more than 40 years ago looking up at the Moon with a small collapsible telescope my Father had. Encouraged by my parents, who bought me my very own telescope, a 4.5″ reflector, I began to explore the night sky from my family home backyard. Today I do astrophotography from my home in Kitchener, Ontario and also with remote telescopes located in New Mexico and Australia. Some of my images have won awards and have been featured online and in magazines.
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