Wide Solar Corona and a Comet

Photographer

Petr Horalek

Category

Editorial Photography - Scientific

Company

Submission Group

Amateur

Year

2024

Country / Region:

Mexico

On 8 April 2024, a total solar eclipse occurred over Mexico, the USA, and Canada, bringing a unique opportunity for many people to see the ghostly solar corona during the solar max. I was lucky to spot the eclipse from Durango, Mexico, with a short cloud period of clouds, but mostly the view was amazingly clear. For the final composite, I used 200mm focal length (wide corona) and 1100mm focal length (inner corona), all taken from Durango, Mexico. It was truly windy and partly cloudy, totality took 3 minutes and 25 seconds and the image is the result of HDR shooting (exposure from 1/4000s to 2s with 200mm, and 1/500s to 4s with 1100mm). A total of 83 usable images from 200mm were used (dark frames and flat fields applied) and another 17 images from 1100mm calibrated as well. Wide angle view shows many stars, and fine structures of solar corona (during maximum solar activity), but especially lucky is the shot of the doomed comet SOHO-5008, which was discovered just before the eclipse (can be seen on the left part of the view as an orange prolonged object; orange is caused by extreme sodium emission).

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