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David Callejas

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January 20, 2019

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James Carroll
Little Rock, Arkansas, United States

06/19/2022
10:00 pm

Photographer's Website

Equipment Details:

Telescope: Stellarvue 130t-r
Imaging Camera: ASI 294 MC pro cooled to -10c, gain 139 (unity)
Guide Scope: William optic 50mm scope
Guide Camera: ASI zwo 120 Mini
Filter: 1.25” optlong L-pro for light pollution (on ZWO 8 position filter wheel)
Bortle 4-5 skies
Acquired using NINA software

300 second exposure x48 for 4 hours total integration.
Resolution: Arcsecond/pixel 1.045
Moon Phase 67.61

Post-processing Details:

Image was processed using Pixinsight including calibrating, stacking, and stretching the image.

Very little post processing was required on this image. There was a slight red banding in the upper left portion of the image a light SCNR process was used to tone this down and provide a flatter and more uniform background. I also did use a slight ACDNR process to decrease color noise, other than that nothing else was done.

Image Details:

M24 specifically the region around Sh2-41 and the black hole nebula. This was my first night out at the observatory with my new telescope (the stellarvue SV130t-r). I have always seen these amazing images of dark nebula and the bright regions surrounding it. This was my attempt at it. I hope you enjoy.

Posted

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!