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David Callejas

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January 20, 2019

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Mark Johnston
Scottsdale, Arizona

01/07/2022
11:50 am

Photographer's Website

Equipment Details:

Lunt 100MT hydrogen alpha telescope with Televue 2.5x powermate. QHY5III 174MM camera. SER video file captured in Sharpcap.

Photo shows a currently active region on the Sun. There is a face-on looping prominence erupting off the surface whose end points are the two dark sunspots.

Post-processing Details:

Best 11% of 1000 frames stacked in Autostackertt. Sharpened in IMPPG. Final processing and color added in Affinity Photo.

Image Details:

I enjoy doing solar photography in both hydrogen alpha and white light. What's great about the Sun is it is an active object and looks different every day. You sometimes see arcing prominences on the limb, but it's unusual to get a good face-on view.

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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!