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David Callejas

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January 20, 2019

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Steven Bellavia
New Suffolk, NY

10/11/2022
05:56 am

Photographer's Website

Equipment Details:

Mercury's tail was captured Using an Edmund Optics 589 nm, 10nm bandwidth filter in an custom 3-D printed enclosure
Borg 90FL, f/4 fluorite refractor
ZWO ASI 294MM pro camera, cooled to -10C

Post-processing Details:

17 x 60 second photos, calibrated and stacked to reveal the fain tail of the planet Mercury

Image Details:

A 24 million km long plume of gas is ejected from Mercury's thin atmosphere due to the sun, very much like a comet.
This is only visible using a narrowband filter that captures the bright yellow sodium light at 589nm.

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!