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David Callejas

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January 20, 2019

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Egidio Vergani
Atacama desert (Chile)

03/01/2024
11:30 pm

Photographer's Website

Equipment Details:

• Telescopes or Acquisition Objectives: ASA 500N
• Acquisition Chambers: FLI PL16803
• Frames: ASA DDM500
• Filters: Astrodon Gen2 E-Series Tru-Balance Blue 50 mm · Astrodon Gen2 E-Series Tru-Balance Green 50 mm · Astrodon Gen2 E-Series Tru-Balance Red 50 mm · Astrodon H-alpha 5nm 50×50 mm · Astrodon OIII 5nm 50mm
Integration: 3h 35′

Post-processing Details:

Gimp-Photoshop-Astropanel

Image Details:

Dolphin Nebula Sh2-308, is located about 5,200 light years from us. Its shape resembles the shape of the marine mammal. The bright star at its center, with a mass presumably over twenty times that of the sun, creates a stellar wind that illuminates the nebula.

This is my processing of data received from amateur astronomer friends of the ShaRA project, which includes over 20 astrophotographers.

Filmed remotely from the Atacama Desert (Chile) at Chilescope

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!