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David Callejas

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January 20, 2019

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Shireen Gonzaga
Cockeysville, MD, USA

11/18/2023

Equipment Details:

Nikon Z6II, Nikkor 400mm lens, tracking by Star Adventurer GTI, controlled by ASIAir Mini, Guiding by ZWO 120mm guide scope and ASI120mm camera. Ninety 2-minute exposures stacked, 20 biases, flats, and darks. Imaged in Cockeysville, MD under Bortle 7 skies.

Post-processing Details:

Processed by GIMP and Siril.

Image Details:

Messier 33, also known as the Triangulum Galaxy because it is located in the northern constellation Triangulum, is a slightly disorganized spiral galaxy about 2.73 million light years away from us. Our galaxy, the Milky Way, belongs to a neighborhood of galaxies known as the Local Group; the Andromeda Galaxy is the largest in the group, our galaxy is second-largest, and Messier 33 ranks third.

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January 20, 2019

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David Callejas

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About the Author:

David Callejas, Marketing Director, helps bring EarthSky's content to the world via online ads and other products. He creates strategies that help people around the world find us and appreciate the work we do. He helps manage the EarthSky Store and bring to you the new products that you love. He's the chief liaison between EarthSky.org and the world of commerce. All that, plus he helps post content and populate our pages on Facebook, Google+ and Twitter. Go David!