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David Callejas

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January 20, 2019

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Ryan Walsh
Leslie, Michigan, United States

04/27/2022

Photographer's Website

Equipment Details:

Celestron C9.25 telescope (Non-EdgeHD)
ZWO asi2600mc pro camera
SkyWatcher AZ-EQ6 Pro equatorial mount
Celestron Off-Axis Guider
Celestron F/6.3 reducer
ZWO asi224mc guide camera

Post-processing Details:

133 x 3-minute light frames captured over the course of two nights (4/21/22, and 4/27/22) from my backyard. Stacked in DeepSkyStacker (along with 30 dark/flat/bias frames) and post-processed in Adobe Photoshop.

Image Details:

This was a fun image to capture with a long focal length telescope.

The Whirlpool Galaxy is a spiral galaxy located about 31 million light-years from Earth, in the constellation Canes Venatici. It is near the end of the "handle" of the Big Dipper.
This galaxy is interacting with another nearby galaxy, NGC 5195.

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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!