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David Callejas

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January 20, 2019

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John Ashley
Kitt Pk. National Observatory, AZ, USA

04/06/2024
08:35 pm

Equipment Details:

Nikon Z9 with 70-200 f2.8 lens (at 200mm in DX mode). Camera settings for each frame: 5 sec f2.0 ISO 6,400.

Post-processing Details:

Noise reduction and color correction in Adobe Bridge, overlay and masking in Photoshop.

Image Details:

Comet 12P/Pons-Brooks sets over Kitt Peak National Observatory Saturday night after dusk. Fifteen individual frames photographed at one-minute intervals and masked/stacked together.

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!